Quiz application
Questionnaire Information:
1. I’m going to select the quiz application, my project for my questionnaire and I’ve selected all age group people for that.
2. I need information from them about the interest of each age group and how much they are interested in that.
Questionnaire
1. Your Name:
___________________________________
2. Your age group:
1. 15-25
2. 25-35
3. 35-45
4. 45 above
3. What interests you the most?
1. Games
2. Politics
3. Movies
4. Sports
4. How many hours do you spend in self-study?
1. Below 2
2. 2-3
3. Above 3
5. Do you like playing quizzes or games on computer?
1. Yes
2. No
6. Rate your interest in quiz games out of 5:
1. Worst
2. Bad
3. Average
4. Good
5. Best
________________________________________________________________
7. How often you participate in a discussion:
1. Once a week
2. Twice
3. Thrice
4. Daily
8. What kind of topics you like to discuss in your conversation:
9. How many times you go to the gym for your physical fitness?
1. Once a week
2. Twice a week
3. Thrice a week
4. Daily
10. How important are the political issues in your life?
1. I don’t care about it
2. Slightly important
3. Definitely important
4. Very important
11. What sports do you like the most?
12. What is your favorite game in computer games?
__________________________________________________
13. What genre do you like the most in games?
1. RPG (role playing games)
2. FPS (First person shooting)
3. Strategy
4. Simulation
5. Fighting
6. Sports
14. Which is the most important thing about video games
1. Graphics
2. Game play
3. Sound
4. Customization
15. What is preferable in quiz game?
1. More options
2. Life lines
3. Difficult questions
16. How much have you spent on a game and what game?
1. 2 hours
2. 4 hours
3. 6 hours
4. above
17. Is education necessary for the intelligence or knowledge is enough?
1. Education
2. knowledge
18. Which color do you think is the best for the interactive screen for quiz game
________________________________________________________________
19. What services do you think should be in a quiz game or application?
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
20. Would you like to play a new game which tells you about the interest you have and then play quizzes according to your interests?
1. Yes
2. No
Questionnaire Response Type:
1. Demographic = Open ended was the only way
2. Age group = Select options are easy over open ended
3. Already availing any service = yes/no is better suited because this is a conclusion question
4. Importance of education and knowledge = Select options are easy over open ended
5. Appearance of application = options can describe the answer here
6. Work and interest preference = options can describe the answer here
7. Necessity of application = yes/no ...
Digital storytelling can be used to promote understanding in the classroom by having students create digital stories using media like video, sound, and images. The document provides examples of how digital storytelling aligns with state technology standards and 21st century skills. It also lists many websites that provide resources and examples of digital stories.
Digital storytelling can be used to promote understanding in the classroom by having students create digital stories using media like video, sound, and images. The document provides examples of how digital storytelling aligns with state technology standards and 21st century skills. It also lists many websites that provide resources and examples of digital stories.
From an Idea to a Vision you can implement - Vision workshopVasco Duarte
You've been there. You are tasked with implementing a product that someone else cooked up. What do do next? Follow the spec you say? Wrong!
Developing a product without this Vision is not just waste, it is bad business for you and for your customer.
Before we start implementing any product we must explore it's reason to exist, what customers it benefits and ultimately how it can help your customers (not you!) make money.
In this workshop we will take an example and go through a simple process that helps us explore a product idea to the point that a spec is just a reference, but the product comes alive in the minds of the team members.
A context diagram shows the relationship between a system and external entities, with the entities providing inputs to the system and receiving outputs from it. Context diagrams are important for software engineering as they provide an overall view of the system and how it interacts with different elements and entities. Developing a context diagram helps ensure all entities belong to the system, which allows for complete development and refactoring. Analyzing the context diagram allows engineers to predict how the system works, anticipate errors based on inputs and outputs, and determine if the system is functioning properly.
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Tourist Experience At Piazza del Campo KIOSK
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Institution Affiliation
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12-5-17
Contents
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User Interface Human Interaction 5
Deliverables 6
User Interface Design Prototypes 6
User Interface Design Mockups 6
Kiosk Main Menu 6
Smart Main Menu 7
Usability Test Questionnaire……………………………………………………………………………………………………………………8
References 12
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The system is intended even to support people with disabilities. The gesture interface will take care of those with hearing impairment. Conversational support means will help people with visual impairment. Others with disabilities, for example, missing fingers can use the graphical user or the touchscreen interfaces.User Interface Technical Requirements
There are many technical requirements for the kiosk. Input devises to support the interaction capabilities will include a computer mouse, a keyboard, a voice receptive control device, a stylus for touching purposes, and a touchscreen. For easy application by the users, a standard keyboard will be used. The voice control should be able to capture sounds appropriately to reduce the probability of error. The touchscreen should be having a display length of twenty-four inches for more comfortable use by all the visitors.
The technical requirements ...
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Here are the key points about documentation in software engineering:
- Documentation is an important part of the software development process. It provides information about all aspects of the system being developed.
- There are different types of documentation produced at various stages of development. Requirements documentation captures user needs and system requirements. Design documentation describes the system architecture and components. User documentation provides instructions for end users.
- Requirements documentation is especially important. It includes information gathered from stakeholders about their needs, goals for the system, and functional/non-functional requirements. This lays the groundwork for all subsequent development phases.
- Thorough, clear documentation is essential for effective communication between developers, maintenance of the system over time, and ensuring quality
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This document discusses the importance of acknowledgement pages in thesis writing. It recommends only including major contributors like advisors, professors, and classmates who significantly helped with research, experiments, or writing. For academics, full names and titles should be used, while only first names are needed for friends to protect identities. The document also provides guidance on listing contributors from academia versus family/friends and how to structure acknowledgement pages.
Digital storytelling can be used to promote understanding in the classroom by having students create digital stories using media like video, sound, and images. The document provides examples of how digital storytelling aligns with state technology standards and 21st century skills. It also lists many websites that provide resources and examples of digital stories.
Digital storytelling can be used to promote understanding in the classroom by having students create digital stories using media like video, sound, and images. The document provides examples of how digital storytelling aligns with state technology standards and 21st century skills. It also lists many websites that provide resources and examples of digital stories.
From an Idea to a Vision you can implement - Vision workshopVasco Duarte
You've been there. You are tasked with implementing a product that someone else cooked up. What do do next? Follow the spec you say? Wrong!
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In this workshop we will take an example and go through a simple process that helps us explore a product idea to the point that a spec is just a reference, but the product comes alive in the minds of the team members.
A context diagram shows the relationship between a system and external entities, with the entities providing inputs to the system and receiving outputs from it. Context diagrams are important for software engineering as they provide an overall view of the system and how it interacts with different elements and entities. Developing a context diagram helps ensure all entities belong to the system, which allows for complete development and refactoring. Analyzing the context diagram allows engineers to predict how the system works, anticipate errors based on inputs and outputs, and determine if the system is functioning properly.
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Various major categories for the interface of the user will be supported. They will include firstly, graphical user interface accepting the input via a computer mouse and a keyboard. Secondly, touchscreen interface displays accepting inputs through a touch of the stylus or a finger. Thirdly, conversational interfaces enabling the user to direct the computer using plain text and voice commands rather than graphical elements. Fourthly, gesture interface accepting input in the form of mouse or hand gestures.
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There are many technical requirements for the kiosk. Input devises to support the interaction capabilities will include a computer mouse, a keyboard, a voice receptive control device, a stylus for touching purposes, and a touchscreen. For easy application by the users, a standard keyboard will be used. The voice control should be able to capture sounds appropriately to reduce the probability of error. The touchscreen should be having a display length of twenty-four inches for more comfortable use by all the visitors.
The technical requirements ...
How Requirement Engineering And The Saudi Software Firms...Liz Sims
Here are the key points about documentation in software engineering:
- Documentation is an important part of the software development process. It provides information about all aspects of the system being developed.
- There are different types of documentation produced at various stages of development. Requirements documentation captures user needs and system requirements. Design documentation describes the system architecture and components. User documentation provides instructions for end users.
- Requirements documentation is especially important. It includes information gathered from stakeholders about their needs, goals for the system, and functional/non-functional requirements. This lays the groundwork for all subsequent development phases.
- Thorough, clear documentation is essential for effective communication between developers, maintenance of the system over time, and ensuring quality
Visualizing Data: Infographic Assignments across the Social Work CurriculumLaurel Hitchcock
Today is the third day (Friday, March 3rd) of #BPDNOLA17, and I am presenting with some of my favorite #swtech peeps, Dr. Nathalie Jones of Tarleton State University and Dr. Melanie Sage of the University of North Dakota, at 1:45pm in Bayside C at the Sheraton in New Orleans. We will be talking about an infographic assignment that we jointly developed and implemented with students at each of our campuses. The use of infographics for classroom assignments is becoming commonplace in higher education, although less is known about its use in social work education. Our workshop will review how we collaborated to develop, implement and evaluate an infographic assignment for courses across the social work curriculum
This document discusses the importance of acknowledgement pages in thesis writing. It recommends only including major contributors like advisors, professors, and classmates who significantly helped with research, experiments, or writing. For academics, full names and titles should be used, while only first names are needed for friends to protect identities. The document also provides guidance on listing contributors from academia versus family/friends and how to structure acknowledgement pages.
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2) As a graduate attribute that universities aim to develop in students.
3) As a measure of learning gain that can be developed over time through experiences.
The document reports on a study that tracked students' digital practices, interviewed alumni on their development of digital skills, and proposes future research on understanding how students' conceptions of digital literacy change during and after their studies.
Tcea 2014 Video Game Design for New TEKSMike Ploor
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ATD International Conference and Expo: GamificationZsolt Olah
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This document is a dissertation report submitted for a master's degree in computer applications. It discusses community detection in social media. The report contains an introduction explaining data mining and its need in social media. It describes the elements of social media like profiles, members, groups, discussions and blogs. It discusses issues in mining social media like community detection, influence maximization, message propagation and monitoring. It analyzes algorithms for community detection and discusses their limitations and proposed solutions.
The document discusses a survey conducted among 160 fashion design students about which smartphone features they find most helpful for their studies. Key findings include:
- The most popular smartphone brands used were HTC (35%), Samsung (30%), and Nokia (15%).
- Features found most useful were the camera (90%), internet connectivity (100%), storage (100%), and social networking (70%).
- 40% of students preferred using 3 apps at a time, while 40% preferred less than 3 apps.
- 45% of male students and 55% of female students felt smartphones were effective for their studies.
Jackson Lee, Joshua Tan, Jasmine Battu on September 29, 2023
✨Unlock Your Creative Potential with Figma! Get ready to dive into the world of UI/UX design with our exciting workshop in collaboration with the ICCIT Council.
Whether you're a complete beginner or already have some design experience, this event is tailored just for you!
This event will cover creating accessible user interfaces design using Figma, and basic user experience principles that are usually taught in upper-year CCIT courses.
No prior experience is required; our goal is to provide a welcoming environment for everyone to learn and grow. Don't miss out on this unique opportunity to enhance your UI/UX skills and connect with like-minded peers. Mark your calendar, invite your friends, and see you there! 👋
This app uses 3D models to teach students about traditional Chinese wood joinery techniques in an interactive way. It allows users to take apart and reassemble various joint structures using finger gestures. In addition to 3D models of 27 different joints, the app provides information on different wood types used and traditional carpentry tools. The goal is to help students learn about abstract concepts in Chinese architecture and culture through an easy to use and engaging interactive platform.
The document discusses the changing definition of literacy and skills needed for students in the 21st century. It emphasizes the importance of digital literacy, online collaboration, and using technology as a tool for learning and communication. Skills like critical thinking, communication, and problem solving are emphasized as important for students and preparing them for the modern workforce. The document provides examples of online tools and resources that can be used to develop these skills through collaborative activities.
This document provides details about an interaction design coursework project for developing a mobile game to familiarize new staff and community members with local services and areas of interest near ABC Institution. It discusses cognitive psychology principles relevant to the design, current mobile design issues, and the design process. The project will develop a high-fidelity prototype of the mobile game following design standards. It will apply learnings from research on cognitive psychology and mobile design issues to create an intuitive interface and positive user experience. The prototype will then be evaluated based on usability and how well it achieves the goals of helping users learn about their local community.
The document discusses the changing definition of literacy and skills needed for students in the 21st century. It emphasizes the importance of developing digital citizenship skills and 21st century literacy skills across various content areas. These include skills like critical thinking, communication, collaboration, and using technology for research and communication. The document also provides definitions and discussions of key aspects of digital citizenship like digital etiquette, rights and responsibilities, communication, and literacy.
This presentation discusses the importance of user experience (UX) design for higher education institutions facing digital disruption. It begins by providing examples of companies like Kodak that failed to adapt to technological changes. Then it argues that UX matters because it allows institutions to better understand student needs and problems in a digital environment. The presentation provides examples of UX improvements at various levels from small design changes to large process overhauls. Finally, it outlines considerations for building an enterprise UX function with roles like research, design, and analytics to ensure a centralized user-centered approach. The overall message is that focusing on the student experience through UX can help higher education adapt to disruption.
Visualizing Data: Infographics for Teaching and Learning about Social WelfareLaurel Hitchcock
On Friday July 6, 2018 at 10:03 AM in Dobber B of the RSD at the 2018 International Social Work, Education & Social Development Conference, Nathalie Jones, Melanie Sage, Todd Sage and I (Laurel Hitchcock) are presenting we are presenting on the use of infographics in the Social Work curriculum
The document provides guidance for students completing a major project for their GCSE ICT course. It outlines the four stages of the project: finding out and generating ideas, deciding on project ideas, creating the project, and presenting the finished project. It includes examples of potential project topics, questions to consider, and tools to use at each stage.
Brightfind world usability day 2016 full deck finalBrightfind
This document provides 40 tips for user experience design and research. Some key tips include:
- Conduct user research first before developing products to understand user needs.
- Test websites using only the keyboard to ensure full accessibility.
- Add ARIA attributes like aria-live and aria-atomic to dynamically updating content.
- Navigate every product with a screen reader to catch accessibility issues.
- Consider usability for all types of users including those with mobility or cognitive impairments.
- Continually test with users and get feedback to improve products based on real user needs.
The tips cover a wide range of topics from research methods, accessibility, interface design, and more.
The document is a survey evaluating participants' technology identity. It begins with instructions for rating questions on a 5-point scale based on how well they address technology identity concepts. The survey then contains questions in several sections assessing demographics, beliefs about technology skills and opportunities/constraints, the importance of technology, and motivation to learn more. It concludes with assessments of technology ownership, social media use, and smartphone/tablet applications. The purpose is to further define and validate the concept of technology identity.
Mr. Bush, a 45-year-old middle school teacher arrives at the emergen.docxaudeleypearl
Mr. Bush, a 45-year-old middle school teacher arrives at the emergency department by EMS ground transport after he experienced severe mid-sternal chest pain at work. On arrival to the ED:
a. What priority interventions would you initiate?
b. What information would you require to definitively determine what was causing Mr. Bush’s chest pain?
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Movie Project Presentation Movie TroyInclude Architecture i.docxaudeleypearl
Movie Project Presentation: Movie: Troy
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.
Motivation and Retention Discuss the specific strategies you pl.docxaudeleypearl
Motivation and Retention
Discuss the specific strategies you plan to use to motivate individuals from your priority
population to participate in your program and continue working on their behavior change.
You can refer to information you obtained from the Potential Participant Interviews. You
also can search the literature for strategies that have been successfully used in similar
situations; be sure to cite references in APA format.
.
Mother of the Year In recognition of superlative paren.docxaudeleypearl
The document discusses Facebook's decision in 2015 to change the "like" button on the platform. It describes how Chris Cox, Facebook's chief product officer, led discussions about overhauling the button. The like button had become a blunt tool, and Cox wanted to expand the range of emotions that users could express beyond just "liking" something. This would become the "Reactions" feature, allowing responses like love, haha, wow, sad, and angry. The change took over a year to develop and test before being publicly launched.
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population to participate in your program and continue working on their behavior change.
You can refer to information you obtained from the Potential Participant Interviews. You
also can search the literature for strategies that have been successfully used in similar
situations; be sure to cite references in APA format.
.
Mother of the Year In recognition of superlative paren.docxaudeleypearl
The document discusses Facebook's decision in 2015 to change the "like" button on the platform. It describes how Chris Cox, Facebook's chief product officer, led discussions about overhauling the button. The like button had become a blunt tool, and Cox wanted to expand the range of emotions that users could express beyond just "liking" something. This would become the "Reactions" feature, allowing responses like love, haha, wow, sad, and angry. The change took over a year to develop and test before being publicly launched.
Mrs. G, a 55 year old Hispanic female, presents to the office for he.docxaudeleypearl
Mrs. G, a 55 year old Hispanic female, presents to the office for her annual exam. She reports that lately she has been very fatigued and just does not seem to have any energy. This has been occurring for 3 months. She is also gaining weight since menopause last year. She joined a gym and forces herself to go twice a week, where she walks on the treadmill at least 30 minutes but she has not lost any weight, in fact she has gained 3 pounds. She doesn’t understand what she is doing wrong. She states that exercise seems to make her even more hungry and thirsty, which is not helping her weight loss. She wants get a complete physical and to discuss why she is so tired and get some weight loss advice. She also states she thinks her bladder has fallen because she has to go to the bathroom more often, recently she is waking up twice a night to urinate and seems to be urinating more frequently during the day. This has been occurring for about 3 months too. This is irritating to her, but she is able to fall immediately back to sleep.
Current medications:
Tylenol 500 mg 2 tabs daily for knee pain. Daily multivitamin
PMH:
Has left knee arthritis. Had chick pox and mumps as a child. Vaccinations up to
date.
GYN hx:
G2 P1. 1 SAB, 1 living child, full term, wt 9lbs 2 oz. LMP 15months ago. No history of abnormal Pap smear.
FH:
parents alive, well, child alive, well. No siblings. Mother has HTN and father has high cholesterol.
SH:
works from home part time as a planning coordinator. Married. No tobacco history, 1-2 glasses wine on weekends. No illicit drug use
Allergies
: NKDA, allergic to cats and pollen. No latex allergy
Vital signs
: BP 129/80; pulse 76, regular; respiration 16, regular
Height 5’2.5”, weight 185 pounds
General:
obese female in no acute distress. Alert, oriented and cooperative.
Skin
: warm dry and intact. No lesions noted
HEENT:
head normocephalic. Hair thick and distribution throughout scalp. Eyes without exudate, sclera white. Wears contacts. Tympanic membranes gray and intact with light reflex noted. Pinna and tragus nontender. Nares patent without exudate. Oropharynx moist without erythema. Teeth in good repair, no cavities noted. Neck supple. Anterior cervical lymph nontender to palpation. No lymphadenopathy. Thyroid midline, small and firm without palpable masses.
CV
: S1 and S2 RRR without murmurs or rubs
Lungs
: Clear to auscultation bilaterally, respirations unlabored.
Abdomen
- soft, round, nontender with positive bowel sounds present; no organomegaly; no abdominal bruits. No CVAT.
Labwork:
CBC
:
WBC 6,000/mm3 Hgb 12.5 gm/dl Hct 41% RBC 4.6 million MCV 88 fl MCHC
34 g/dl RDW 13.8%
UA:
pH 5, SpGr 1.013, Leukocyte esterase negative, nitrites negative, 1+ glucose; small protein; negative for ketones
CMP:
Sodium 139
Potassium 4.3
Chloride 100
CO2 29
Glucose 95
BUN 12
Creatinine 0.7
GFR est non-AA 92 mL/min/1.73 GFR est AA 101 mL/min/1.73 Calcium 9.5
Total protein 7.6 Bilirubin, total 0.6 Alkaline.
Mr. Rivera is a 72-year-old patient with end stage COPD who is in th.docxaudeleypearl
Mr. Rivera is a 72-year-old patient with end stage COPD who is in the care of Hospice. He has a history of smoking, hypertension, obesity, and type 2 Diabetes. He is on Oxygen 2L per nasal cannula around the clock. His wife and 2 adult children help with his care. Develop a concept map for Mr. Rivera. Consider the patients Ethnic background (he and his family are from Mexico) and family dynamics. Please use the
concept map
form provided.
.
Mr. B, a 40-year-old avid long-distance runner previously in goo.docxaudeleypearl
Mr. B, a 40-year-old avid long-distance runner previously in good health, presented to his primary provider for a yearly physical examination, during which a suspicious-looking mole was noticed on the back of his left arm, just proximal to the elbow. He reported that he has had that mole for several years, but thinks that it may have gotten larger over the past two years. Mr. B reported that he has noticed itchiness in the area of this mole over the past few weeks. He had multiple other moles on his back, arms, and legs, none of which looked suspicious. Upon further questioning, Mr. B reported that his aunt died in her late forties of skin cancer, but he knew no other details about her illness. The patient is a computer programmer who spends most of the work week indoors. On weekends, however, he typically goes for a 5-mile run and spends much of his afternoons gardening. He has a light complexion, blonde hair, and reports that he sunburns easily but uses protective sunscreen only sporadically.
Physical exam revealed: Head, neck, thorax, and abdominal exams were normal, with the exception of a hard, enlarged, non-tender mass felt in the left axillary region. In addition, a 1.6 x 2.8 cm mole was noted on the dorsal upper left arm. The lesion had an appearance suggestive of a melanoma. It was surgically excised with 3 mm margins using a local anesthetic and sent to the pathology laboratory for histologic analysis. The biopsy came back Stage II melanoma.
1. How is Stage II melanoma treated and according to the research how effective is this treatment?
250 words.
.
Moving members of the organization through the change process ca.docxaudeleypearl
Moving members of the organization through the change process can be quite difficult. As leaders take on this challenge of shifting practice from the current state to the future, they face the obstacles of confidence and competence experienced by staff. Change leaders understand the importance of recognizing their moral purpose and helping others to do the same. Effective leaders foster moral purpose by building relationships, considering other’s perspectives, demonstrating respect, connecting others, and examining progress (Fullan & Quinn, 2016). For this Discussion, you will clarify your own moral perspective and how it will impact the elements of focusing direction.
To prepare:
· Review the Adams and Miskell article. Reflect on the measures taken in building capacity throughout the organization.
· Review Fullan and Quinn’s elements of Focusing Direction in Chapter 2. Reflect on aspects needed to build capacity as a leader.
· Analyze the two case examples used to illustrate focused direction in Chapter 2.
· Clarify your own moral purpose, combining your personal values, persistence, emotional intelligence, and resilience.
A brief summary clarifying your own moral imperative.
· Using the guiding questions in Chapter 2 on page 19, explain your moral imperative and how you can use your strengths to foster moral imperative in others.
· Based on Fullan’s information on change leadership, in which areas do you feel you have strong leadership skills? Which areas do you feel you need to continue to develop?
Learning Resources
Required Readings
Fullan, M., & Quinn, J. (2016).
Coherence: The right drivers in action for schools, districts, and systems
. Thousand Oaks, CA: Corwin.
Chapter 2, “Focusing Direction” (pp. 17–46)
Florian, L. (Ed.). (2014).
The SAGE handbook of special education
(2nd ed.). London, England: Sage Publications Ltd.
Chapter 23, “Researching Inclusive Classroom Practices: The Framework for Participation” (389–404)
Chapter 31, “Assessment for Learning and the Journey Towards Inclusion” (pp. 523–536)
Adams, C.M., & Miskell, R.C. (2016). Teacher trust in district administration: A promising line of inquiry. Journal of Leadership for Effective and Equitable Organizations, 1-32. DOI: 10.1177/0013161X1665220
Choi, J. H., Meisenheimer, J. M., McCart, A. B., & Sailor, W. (2016). Improving learning for all students through equity-based inclusive reform practices effectiveness of a fully integrated school-wide model on student reading and math achievement. Remedial and Special Education, doi:10.1177/0741932516644054
Sailor, W. S., & McCart, A. B. (2014). Stars in alignment. Research and Practice for Persons with Severe Disabilities, 39(1), 55-64. doi: 10.1177/1540796914534622
Required Media
Grand City Community
Laureate Education (Producer) (2016c).
Tracking data
[Video file]. Baltimore, MD: Author.
Go to the Grand City Community and click into
Grand City School District Administration Offices
. Revie.
Mr. Friend is acrime analystwith the SantaCruz, Califo.docxaudeleypearl
Mr. Friend is a
crime analyst
with the Santa
Cruz, California,
Police
Department.
Predictive Policing: Using Technology to Reduce Crime
By Zach Friend, M.P.P.
4/9/2013
Nationwide law enforcement agencies face the problem
of doing more with less. Departments slash budgets
and implement furloughs, while management struggles
to meet the public safety needs of the community. The
Santa Cruz, California, Police Department handles the
same issues with increasing property crimes and
service calls and diminishing staff. Unable to hire more
officers, the department searched for a nontraditional
solution.
In late 2010 researchers published a paper that the
department believed might hold the answer. They
proposed that it was possible to predict certain crimes,
much like scientists forecast earthquake aftershocks.
An “aftercrime” often follows an initial crime. The time and location of previous criminal activity helps to
determine future offenses. These researchers developed an algorithm (mathematical procedure) that
calculates future crime locations.1
Equalizing Resources
The Santa Cruz Police Department has 94 sworn officers and serves a population of 60,000. A
university, amusement park, and beach push the seasonal population to 150,000. Department personnel
contacted a Santa Clara University professor to apply the algorithm, hoping that leveraging technology
would improve their efforts. The police chief indicated that the department could not hire more officers.
He felt that the program could allocate dwindling resources more efficiently.
Santa Cruz police envisioned deploying officers by shift to the most targeted locations in the city. The
predictive policing model helped to alert officers to targeted locations in real time, a significant
improvement over traditional tactics.
Making it Work
The algorithm is a culmination of anthropological and criminological behavior research. It uses complex
mathematics to estimate crime and predict future hot spots. Researchers based these studies on
In Depth
Featured Articles
- IAFIS Identifies Suspect from 1978 Murder Case
- Predictive Policing: Using Technology to Reduce
Crime
- Legal Digest Part 1 - Part 2
Search Warrant Execution: When Does Detention Rise to
Custody?
- Perspective
Public Safety Consolidation: Does it Make Sense?
- Leadership Spotlight
Leadership Lessons from Home
Archive
- Web and Print
Departments
- Bulletin Notes - Bulletin Honors
- ViCAP Alerts - Unusual Weapons
- Bulletin Reports
Topics in the News
See previous LEB content on:
- Hostage Situations - Crisis Management
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About LEB
- History - Author Guidelines (pdf)
- Editorial Staff - Editorial Release Form (pdf)
Patch Call
Known locally as the
“Gateway to the Summit,”
which references the city’s
proximity to the Bechtel Family
National Scout Reserve. More
The patch of the Miamisburg,
Ohio, Police Department
prominently displays the city
seal surroun.
Mr. E is a pleasant, 70-year-old, black, maleSource Self, rel.docxaudeleypearl
Mr. E is a pleasant, 70-year-old, black, male
Source: Self, reliable source
Subjective:
Chief complaint:
“I urinate frequently.”
HPI:
Patient states that he has had an increase in urination for the past several years, which seems to be worsening over the past year. He estimates that he urinates clear/light yellow urine approximately every 1.5-2 hours while awake and is up 2-4 times at night to urinate. He states some urgency and hesitancy with urination and feeling of incomplete voiding. He denies any pain or blood. Denies any head trauma. Denies any increase in thirst or hunger. He denies any unintentional weight loss.
Allergies
: NKA
Current Mediations
:
Multivitamin, daily
Aspirin, 81 mg, daily
Olmesartan, 20 mg daily
Atorvastatin, 10 mg daily
Diphenhydramine, 50 mg, at night
Pertinent History:
Hypertension, hyperlipidemia, insomnia
Health Maintenance. Immunizations:
Immunizations up to date
Family History:
No cancer, cardiac, pulmonary or autoimmune disease in immediate family members
Social History:
Patient lives alone. He drinks one cup of caffeinated coffee each morning at the local diner. He denies any nicotine, alcohol or drug use.
ROS:
Incorporated into HPI
Objective:
VS
– BP: 118/68, HR: 86, RR: 16, Temp 97.6, oxygenation 100%, weight: 195 lbs, height: 70 inches.
Mr. E is alert, awake, oriented x 3. Patient is clean and dressed appropriate for age.
Cardiac: No cardiomegaly or thrills; regular rate and rhythm, no murmur or gallop
Respiratory: Clear to auscultation
Abdomen: Bowel sounds positive. Soft, nontender, nondistended, no hepatomegaly
Neuro: CN 2-12 intact
Renal/prostate: Prostate enlarged, non-tender. No asymmetry or nodules palpated
Labs:
Test Name
Result
Units
Reference Range
Color
Yellow
Yellow
Clarity
Clear
Clear
Bilirubin
Negative
Negative
Specific Gravity
1.011
1.003-1.030
Blood
Negative
Negative
pH
7.5
4.5-8.0
Nitrite
Negative
Negative
Leukocyte esterase
Negative
Negative
Glucose
Negative
mg/dL
Negative
Ketones
Negative
mg/dL
Negative
Protein
Negative
mg/dL
Negative
WBC
Negative
/hpf
Negative
RBC
Negative
/hpf
Negative
Lab
Pt’s Result
Range
Units
Sodium
137
136-145
mmol/L
Potassium
4.7
3.5-5.1
mmol/L
Chloride
102
98-107
mmol/L
CO2
30
21-32
mmol/L
Glucose
92
70-99
mg/dL
BUN
7
6-25
mg/dL
Creat
1.6
.8-1.3
mg/dL
GFR
50
>60
Calcium
9.6
8.2-10.2
mg/dL
Total Protein
8.0
6.4-8.2
g/dL
Albumin
4.5
3.2-4.7
g/dL
Bilirubin
1.1
<1.1
mg/dL
Alkaline Phosphatase
94
26-137
U/L
AST
25
0-37
U/L
ALT
55
15-65
U/L
Pt’s results
Normal Range
Units
WBC
9.9
3.4 - 10.8
x10E3/uL
RBC
4.0
3.77 - 5.28
x10E6/uL
Hemoglobin
11.5
11.1 - 15.9
g/dL
H.
Motor Milestones occur in a predictable developmental progression in.docxaudeleypearl
Motor Milestones occur in a predictable developmental progression in young children. They begin with reflexive movements that develop into voluntary movement patterns. For the motor milestone of independent walking, there are many precursor reflexes that must first integrate and beginning movement patterns that must be learned. Explain the motor progression of walking in a child, starting with the integration of primitive reflexes to the basic motor skills needed for a child to walk independently. Discuss at which time frame each milestone occurs from birth to walking (12-18 months of age). What are some reasons why a child could be delayed in walking? At what age is a child considered delayed in walking and in need of intervention? What interventions are available to children who are having difficulty walking? Please be sure to use APA citations for all sources used to formulate your answers.
.
Most women experience their closest friendships with those of th.docxaudeleypearl
Most women experience their closest friendships with those of the same sex. Men have suffered more of a stigma in terms of sharing deep bonds with other men. Open affection and connection is not actively encouraged among men. Recent changes in society might impact this, especially with the advent of the meterosexual male. “The meterosexual male is less interested in blood lines, traditions, family, class, gender, than in choosing who they want to be and who they want to be with” (Vernon, 2010, p. 204).
In this week’s reading material, the following philosophers discuss their views on this topic: Simone de Beauvoir, Thomas Aquinas, MacIntyre, Friedman, Hunt, and Foucault. Make sure to incorporate their views as you answer each discussion question. Think about how their views may be similar or different from your own. In at least 250 words total, please answer each of the following, drawing upon your reading materials and your personal insight:
To what extent do you think women still have a better opportunity to forge deeper friendships than men? What needs to change to level the friendship playing field for men, if anything?
How is the role of the meterosexual man helping to forge a new pathway for male friendships?
.
Most patients with mental health disorders are not aggressive. Howev.docxaudeleypearl
Most patients with mental health disorders are not aggressive. However, it is important for nurses to be able to know the signs and symptoms associated with the five phases of aggression, and to appropriately apply nursing interventions to assist in treating aggressive patients. Please read the case study below and answer the four questions related to it.
Aggression Case Study
Christopher, who is 14 years of age, was recently admitted to the hospital for schizophrenia. He has a history of aggressive behavior and states that the devil is telling him to kill all adults because they want to hurt him. Christopher has a history of recidivism and noncompliance with his medications. One day on the unit, the nurse observes Christopher displaying hypervigilant behaviors, pacing back and forth down the hallway, and speaking to himself under his breath. As the nurse runs over to Christopher to talk, he sees that his bedroom door is open and runs into his room and shuts the door. The nurse responds by attempting to open the door, but Christopher keeps pulling the door shut and tells the nurse that if the nurse comes in the room he will choke the nurse. The nurse responds by calling other staff to assist with the situation.
1. What phase of the aggression cycle is Christopher in at the beginning of this scenario? What phase is he in at the end the scenario? (State the evidence that supports your answers).
2. What interventions could have been implemented to prevent Christopher from escalating at the beginning of the scenario?
3. What interventions should the nurse take to deescalate the situation when Christopher is refusing to open his door?
4. If a restrictive intervention (restraint/seclusion) is used, what are some important steps for the nurse to remember?
SCHOLAR NURSING ARTICLE>>>APA FORMAT>>>
.
Most of our class readings and discussions to date have dealt wi.docxaudeleypearl
Most of our class readings and discussions to date have dealt with the issue of ethics and ethical behavior. Various philosophers have made contributions to jurisprudence including how to apply ethical principles (codes of conduct?) to ethical dilemma.
Your task is to watch the Netflix documentary ‘The Social Dilemma.’ If you cannot currently access Netflix it offers a free trial opportunity, which you can cancel after viewing the documentary. Should this not be an option for whatever reason, then please email me and we will create an alternative ethics question.
DUE DATE: Tuesday, Sept. 29, 2020 by noon
SEND YOUR NO MORE THAN 5 PAGE DOUBLE SPACED RESPONSE TO MY EMAIL ADDRESS. LATE PAPERS SUBJECT TO DOWNGRADING
As critics have written, the documentary showcases ways our minds are twisted and twirled by social media companies like Facebook, Twitter, and Google through their platforms and search engines, and the why of what they are doing, and what must be done to stop it.
After watching the movie, respond to the following questions in the order given. Use full sentences and paragraphs, and start off each section by stating the question you are answering. Be succinct.
What are the critical ethical issues identified?
What concerns are raised over the polarization of society and promulgation of fake news?
What is the “attention-extraction model” of software design and why worry?
What is “surveillance capitalism?”
Do you agree that social media warps your perceptions of reality?
Who has the power and control over these social media platforms – software designers, artificial intelligence (Ai), CEOs of media platforms, users, government?
Are social media platforms capable of self-regulation to address the political and ethical issues raised or not? If not, then should government regulate?
What other actions can be taken to address the basic concern of living in a world “…where no one believes what’s true.”
.
Most people agree we live in stressful times. Does stress and re.docxaudeleypearl
Stress may contribute to illness according to some research cited in textbooks. The question asks whether stress and reactions to stress can lead to health issues, and opinions should be supported by evidence from course materials. References in APA format are required.
Most of the ethical prescriptions of normative moral philosophy .docxaudeleypearl
Most of the ethical prescriptions of normative moral philosophy tend to fall into one of the following three categories: deontology, consequentialism, and virtue ethics. These categories in turn put an emphasis on different normative standards for judging what constitutes right and wrong actions.
Moral psychologists and behavioral economists such as Jonathan Haidt and Dan Ariely take a different approach: focusing not on some normative ethical framework for moral judgment, but rather on the psychological foundations of moral intuition and on the limitations that our human frailty places on real-world honesty, decency, and ethical commitments.
In this context, write a short essay (minimum 400 words) on what you see as the most important differences between the traditional normative philosophical approaches and the more recent empirical approach of moral psychology when it comes to ethics. As part of your answer also make sure that you discuss the implications of these differences.
Deadline reminder:
this assignment is
due on June 14th
. Any assignments submitted after that date will lose 5 points (i.e., 20% of the maximum score of 25 points) for each day that they are submitted late. Accordingly, after June 14th, any submissions would be worth zero points and at that time the assignment inbox will close.
.
Most healthcare organizations in the country are implementing qualit.docxaudeleypearl
Most healthcare organizations in the country are implementing quality improvement programs to save lives, enhance customer satisfaction, and reduce the cost of healthcare services. Limited human and material resources often undermine such efforts. Zenith Hospital in a rural community has 200 beds. Postsurgical patients tend to contract infections at the surgical site, requiring extended hospitalization. Mr. Jones—75 years old—was admitted to Zenith Hospital for inguinal hernia repairs. He was also hypertensive, with a compromised immune system. Two days after surgery, he acquired an infection at the surgical site, with elevated temperature, and then he developed septicemia. His condition worsened, and he was moved to isolation in the intensive care unit (ICU). A day after transfer to the ICU, he went into ventricular arrhythmia and was placed on a respirator and cardiac monitoring machine. Intravenous fluids, antibiotics, and antipyretics could not bring the fever down, and blood analysis continued to deteriorate.
The hospital infection control unit got involved. The team confirmed that postsurgical infections were on the increase, but the hospital was unable to identify the sources of infection. The surgery unit and surgical team held meetings to understand possible sources of infection. The team leader had earlier reported to management that they needed to hire more surgical nurses, arguing that nurses in the unit were overworked, had to go on leave, and often worked long hours without break.
Mr. Jones’ family members were angry and wanted to know the source of his infection, why he was on the respirator in isolation, and why his temperature was not coming down. Unfortunately, his condition continued to deteriorate. His daughter invited the family’s legal representative to find out what was happening to her father and to commence legal proceedings.
Then, the healthcare manager received information that two other patients were showing signs of postsurgical infection. The healthcare manager and care providers acknowledged the serious quality issues at Zenith Hospital, particularly in the surgical unit. The healthcare manager wrote to the Chairman of the Hospital Board, seeking approval to implement a quality improvement program. The Board held an emergency meeting and approved the manager’s request. The healthcare manager has invited you to support the organization in this process.
Please address the following questions in your response:
What are successful approaches for gaining a shared understanding of the problem?
How can effective communication be implemented?
What is a qualitative approach that helps in identifying the quality problem?
What tools can provide insight into understanding the problem?
In quality improvement, what does appreciative inquiry help do?
What is a benefit of testing solutions before implementation?
What is a challenge that is inherent in the application of the plan, do, study, act (PDSA) method?
What .
More work is necessary on how to efficiently model uncertainty in ML.docxaudeleypearl
More work is necessary on how to efficiently model uncertainty in ML and NLP, as well as how to represent uncertainty resulting from big data analytics.
Pages - 4
Excluding the required cover page and reference page.
APA format 7 with an introduction, a body content, and a conclusion.
No Plagiarism
.
Mortgage-Backed Securities and the Financial CrisisKelly Finn.docxaudeleypearl
Mortgage-Backed Securities and the Financial Crisis
Kelly Finn
FNCE 4302
Mortgage-Backed Securities (MBS) are “pass-through” bundles of housing debt sold as investment vehicles
A mortgage-backed security, MBS, is a type of asset-backed security that pays investors regular payments, similar to a bond. It gets the title as a “pass-through” because the security involves several entities in the origination and securitization process (where the asset is identified, and where it is used as a base to create a new investment instrument people can profit off of).
Key Players involved in the MBS Process
[Mortgage] Lenders: banks who sell mortgages to GSE’s
GSE: Government Sponsored Entities created by the US Government to make owning property more accessible to Americans
1938: Fannie Mae (FNMA): Federal National Mortgage Assoc.
1970: Freddie Mac (FHLMC): Federal Home Loan Mortgage Corp.
Increase mortgage borrowing
Introduce competitor to Fannie Mae
1970: Ginnie Mae (GNMA): Government National Mortgage Assoc.
US Government: Treasury: implicit commitment of providing support in case of trouble
The several entities involved in the process make MBS a “pass-through”. Here we have 3 main entities that we’ll call “Key Players” for the purpose of this presentation which aims to provide you with a basic and simple explanation of MBS and their role in the financial crisis.
GSE’s created by the US Government in 1938
Part of FDR’s New Plan during Great Depression
Purpose: make owning property more accessible to more Americans
GSE (ex. Fannie Mae) buys mortgages (debt) from banks, & then pools mortgages into little bundles investors can buy (securitization)
Bank’s mortgage is exchanged with GSE’s cash
Created liquid secondary market for mortgages
Result:
1) Bank has more cash to lend out to people
2) Now all who want to a house (expensive) can get the money needed to buy one!
Where MBS came from & when
Yay for combatting homelessness and increasing quality of life for the common American!
Thanks Uncle Sam!
MBS have been around for a long time. Officially in the US, they have their origins in government. During the Great Depression in the 1930s, President Franklin Delano Roosevelt signed into creation Fannie Mae that was brought about to help ease American citizen’s difficulty in becoming homeowners. The sole purpose of a GSE thus was to not make profit, but to promote citizen welfare in regards to housing. Seeing that it was created by regulatory government powers, it earned the title of Government Sponsored Entity, which we will abbreviate as GSE. 2 other GSE’s in housing were created in later decades like Freddie Mae, to further stimulate the mortgage market alongside Fannie, and Ginnie which did a similar thing but only for certain groups of people (Veterans, etc) and to a much smaller scale.
How MBS works: Kelly is a homeowner looking to borrow a lot of money
*The Lender, who issued Kelly the mor.
Moral Development Lawrence Kohlberg developed six stages to mora.docxaudeleypearl
Moral Development:
Lawrence Kohlberg developed six stages to moral behavior in children and adults. Punishment and obedience orientation, interpersonal concordance, law and order orientation, social contract orientation, and universal ethics orientation. All or even just one of these stages will make a good topic for your research paper or you could just do the research paper on Kohlberg.
.
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Main Java[All of the Base Concepts}.docxadhitya5119
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
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Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Quiz applicationQuestionnaire Information1. I’m going to se.docx
1. Quiz application
Questionnaire Information:
1. I’m going to select the quiz application, my project for my
questionnaire and I’ve selected all age group people for that.
2. I need information from them about the interest of each age
group and how much they are interested in that.
Questionnaire
1. Your Name:
___________________________________
2. Your age group:
1. 15-25
2. 25-35
3. 35-45
4. 45 above
3. What interests you the most?
1. Games
2. Politics
3. Movies
4. Sports
4. How many hours do you spend in self-study?
1. Below 2
2. 2-3
3. Above 3
5. Do you like playing quizzes or games on computer?
1. Yes
2. No
6. Rate your interest in quiz games out of 5:
1. Worst
2. Bad
3. Average
4. Good
5. Best
2. _____________________________________________________
___________
7. How often you participate in a discussion:
1. Once a week
2. Twice
3. Thrice
4. Daily
8. What kind of topics you like to discuss in your conversation:
9. How many times you go to the gym for your physical fitness?
1. Once a week
2. Twice a week
3. Thrice a week
4. Daily
10. How important are the political issues in your life?
1. I don’t care about it
2. Slightly important
3. Definitely important
4. Very important
11. What sports do you like the most?
12. What is your favorite game in computer games?
__________________________________________________
13. What genre do you like the most in games?
1. RPG (role playing games)
2. FPS (First person shooting)
3. Strategy
4. Simulation
5. Fighting
6. Sports
14. Which is the most important thing about video games
1. Graphics
2. Game play
3. Sound
4. Customization
15. What is preferable in quiz game?
3. 1. More options
2. Life lines
3. Difficult questions
16. How much have you spent on a game and what game?
1. 2 hours
2. 4 hours
3. 6 hours
4. above
17. Is education necessary for the intelligence or knowledge is
enough?
1. Education
2. knowledge
18. Which color do you think is the best for the interactive
screen for quiz game
_____________________________________________________
___________
19. What services do you think should be in a quiz game or
application?
_____________________________________________________
_____________________________________________________
_____________________________________________________
_____________________________________________________
________________________________
20. Would you like to play a new game which tells you about
the interest you have and then play quizzes according to your
interests?
1. Yes
2. No
Questionnaire Response Type:
1. Demographic = Open ended was the only way
2. Age group = Select options are easy over open ended
3. Already availing any service = yes/no is better suited because
this is a conclusion question
4. Importance of education and knowledge = Select options are
easy over open ended
4. 5. Appearance of application = options can describe the answer
here
6. Work and interest preference = options can describe the
answer here
7. Necessity of application = yes/no would be best to conclude
8. Balanced interest = yes/no can conclude
9. Source of information = options are better to describe
10. Feedback for new application = open ended for the
description in detail
Summary for Survey
Survey plan
1. Group would use the universities and other quiz applications
where young and middle age boys are there and offices and
parks for upper age people are there.
2. Sequence is started from
a. Name and general information
b. Type of interest
c. Ask the interest level in politics
d. Ask the interest level in sports
e. Ask the interest level in games
f. Environment and color scheme and other questions about
application should be
g. Preference of user
h. He prefers education over knowledge or discourage the
education
i. Source of information of marketing
j. Feedback from user in addition
k. About the application and if interested in playing new app.
This survey defines the interest level in each category that is
sports, games, movies and politics. By asking each category we
can have the idea about the taste and mindset of the person. So
we can have the questions majority in our quizzes according to
the that category, we can make this more detailed if want to
have a detailed look but right now it’s good to have the idea
just what type of a person is taking the quiz.
5. Running head: Design Project Proposal
1
Design Project Proposal
2
Design Project Proposal
Project Proposal
“Smart Quiz” is an application for general quiz and it helps
everyone to attend their quiz through friendly interface. UI we
are developing will asks first everyone to register in that they
will get options to select interested topics (ex: sports, general
knowledge, politics, movies, colors, shapes, etc). Our
application targets all groups of audience and every age.
Depends on age and their interest they will get the quizzes.
The application proposed will be a multi model which can be
accessed or used on both mobile and web browser.
Our major source of information is from internet, articles,
textbooks etc. This application requires internet, the data
related to quiz and new quizzes will be updated in a timely
fashion that users will always find new quizzes whenever they
6. come back.
As the application is designed to target all groups of audience it
will be simple with minimum options and buttons on screen and
the type of quizzes would be related to different topics with
different levels.
There will be majorly 3 screens in total , one is the profile and
registration screen, second screen would be quiz screen which
has a question and four options for user to select with a next
button, once user clicks next it will populate next question until
10 questions. Once all the questions are answered there will be
a result page with score and correct answers for questions which
is third screen.
And to make the application more interactive more buttons and
screens can be added during the process of development.
Login Screen:
Interaction Design continues to be the standard textbook in the
field. Seasoned practitioners will find it use-
ful when they need a reference to best practices or to explain a
concept to a colleague. Students can turn to
Interaction Design for an easy-to-understand description of the
basics or in-depth how-tos. From personas and
disabilities to the design of UX organizations and working in
Agile, if you’re going to pick one book to bring into
the office, it should be this one.
Jofish Kaye, Principal Research Scientist, Mozilla, USA
This is the perfect textbook for a wide range of User
7. interface/User experience design courses. For an undergradu-
ate, it provides a variety of compelling examples that illustrate
best practice in Interaction Design. For a graduate
student, it provides a foundational overview of advanced topics.
This book is also essential for the professional who
wants to know the state of the art in Interaction design. I use
this textbook and recommend it widely.
Rosa I. Arriaga, Ph.D., Senior Research Scientist, School of
Interactive Computing
Georgia Institute of Technology, USA
The Interaction Design book has immensely contributed to a
growing Namibian HCI skilled community over
the last decade. Exposing students, academics and practitioners
to the basic principles and theories as well as
most recent trends and technologies, with global and local case
studies, in the latest edition, allows for reflective
applications within very specific contexts. This book remains
our number one reference in the education of future
generations of interaction designers in Namibia, promoting the
creation of thoughtful user experiences for respon-
sible citizens.
Heike Winschiers-Theophilus, Professor, Faculty of Computing
and Informatics,
Namibia University of Science and Technology, Africa
Throughout my teaching of user experience and interaction
design, the book by Rogers, Preece and Sharp has
been an absolute cornerstone textbook for students. The authors
bring together their own wealth of knowledge of
academic HCI with a deep understanding of industry practice to
provide what must be the most comprehensive
introduction to the key areas of interaction design and user
experience work, now an established field of practice. I
8. put this book in the “essential reading” section of many of the
reading lists I give to students.
Simon Attfield, Associate Professor in Human Centred
Technology, Middlesex University, UK
Interaction design has gone through tremendous changes in the
last few years—for example the rising importance
of “big” data streams to design, and the growing prevalence of
everyday ubiquitous computing issues of sensing
and blending gracefully and ethically into peoples’ daily lives.
This is an important and timely update to a text
that’s long been considered gold standard in our field. I’m
looking forward to using it with my students to help
prepare them for the design challenges they will face in today’s
industrial practice.
Katherine Isbister, Professor, Computational Media, University
of California Santa Cruz, USA
More than ever, designing effective human-computer
interactions is crucial for modern technological systems.
As digital devices become smaller, faster and smarter, the
interface and interaction challenges become ever more
complex. Vast quantities of data are often accessed on handheld
screens, or no screens at all through voice com-
mands; and AI systems have interfaces that “bite back” with
sophisticated dialogue structures. What are the best
interaction metaphors for these technologies? What are the best
tools for creating interfaces that are enjoyable and
universally accessible? How do we ensure emerging
technologies remain relevant and respectful of human values?
In this book, you’ll find detailed analysis of these questions and
much more. (It is a valuable resource for both the
mature student and the reflective professional.)
9. Frank Vetere, Professor of Interaction Design, School of
Computing and Information Systems,
University of Melbourne, Australia
This is at the top of my recommended reading list for
undergraduate and master’s students as well as professionals
looking to change career paths. Core issues to interaction design
are brought to life through compelling vignettes
and contemporary case examples from leading experts. What has
long been a comprehensive resource for interac-
tion design now incorporates timely topics in computing, such
as data at scale, artificial intelligence, and ethics,
making it essential reading for anyone entering the field of
interaction design.
Anne-Marie Piper, PhD, Associate Professor, Departments of
Communication Studies,
Electrical Engineering and Computer Science, Northwestern
University, USA
I have been using Interaction Design as a textbook since its first
edition for both my undergraduate and graduate
introductory HCI courses. This is a must-read seminal book
which provides a thorough coverage of the discipline
of HCI and the practice of user-centered design. The fifth
edition lives up to its phenomenal reputation by includ-
ing updated content on the process of interaction design, the
practice of interaction design (e.g., technical debt in
UX, Lean UX), design ethics, new types of interfaces, etc. I
always recommend Interaction Design to students and
practitioners who want to gain a comprehensive overview of the
fields of HCI and UX.
Olivier St-Cyr, Assistant Professor, Teaching Stream,
10. University of Toronto, Canada
Interaction design is a practice that spans many domains. The
authors acknowledge this by providing a tremen-
dous amount of information across a wide spectrum of
disciplines. This book has evolved from a simple textbook
for HCI students, to an encyclopedia of design practices,
examples, discussions of related topics, suggestions for
further reading, exercises, interviews with practitioners, and
even a bit of interesting history here and there. I see it
as one of the few sources effectively bridging the gulf between
theory and practice. A copy has persistently occu-
pied my desk since the first edition, and I regularly find myself
revisiting various sections for inspiration on how to
communicate the reasoning behind my own decisions to
colleagues and peers.
William R. Hazlewood, PhD, Principal Design Technologist,
Retail Experience
Design Concept Lab, Amazon, USA
For years Interaction Design has been my favourite book not
only for supporting my classes but also as my
primary source for preparing UX studies to industrial and
academic settings. The chapters engage readers with
easy-to-read content while presenting, harmonically, theories,
examples and case studies which touch in multidisci-
plinary aspects of construction and evaluation of interactive
products. The fifth edition again maintains the tradi-
tion of being an up-to-date book on HCI, and includes new
discussions on Lean UX, emotional interaction, social
and cognitive aspects, and ethics in human studies, which are
certainly contemporary topics of utmost relevance
for practitioners and academics in interaction design.
Luciana Zaina, Senior Lecturer, Federal University of São
11. Carlos, Brazil
This book is always my primary recommendation for newcomers
to human-computer interaction. It addresses the
subject from several perspectives: understanding of human
behaviour in context, the challenges of ever-changing
technology, and the practical processes involved in interaction
design and evaluation. The new edition again shows
the authors’ dedication to keeping both the primary content and
representative examples up to date.
Robert Biddle, Professor of Human–Computer Interaction,
Carleton University, Ottawa, Canada
This fifth edition provides a timely update to one of the must-
have classics on interaction design. The changes in
our field, including how to deal with emerging sensing
technology and the volumes of data it provides, are well
addressed in this volume. This is a book for those new to and
experienced in interaction design.
Jodi Forlizzi, Professor and Geschke Director, Human-
Computer Interaction Institute,
The School of Computer Science, CMU, USA
The milieu of digital life surrounds us. However, how we
choose to design and create our experiences and
interactions with these emerging technologies remains a
significant challenge. This book provides both a road-
map of essential skills and methodologies to tackle these
designs confidently as well as the critical deeper history,
literature, and poetry of interaction design. You will return to
this book throughout your career to operationalize,
ground and inspire your creative practice of interaction design.
Eric Paulos, Professor, Electrical Engineering and Computer
12. Sciences, UC Berkeley, USA
Preece, Sharp and Rogers offer once again an engaging
excursion through the world of interaction design. This
series is always up-to-date and offers a fresh view on a broad
range of topics needed for students in the field of
interaction design, human-computer interaction, information
design, web design or ubiquitous computing. The
book should be the book every student should have in their
backpack. It is a “survival guide”! It guides one
through the jungle of information and the dark technological
forests of our digital age. It also helps to develop
a critical view on developing novel technologies as our
computing research community needs to confront much
more seriously the negative impacts of our innovations. The
online resources are a great help for me to create good
classes and remove some weight from the backpacks of my
students.
Johannes Schöning, Professor of Computer Science, Bremen
University, Germany
Nearly 20 years have passed since the release of the first edition
of Interaction Design, with massive changes to
technology and thus the science and practice of interaction
design. The new edition combines the brilliance of the
first book with the wisdom of the lessons learned in the
meantime, and the excitement of new technological fron-
tiers. Complex concepts are elegantly and beautifully explained,
and the reader is left with little doubt as to how
to put them into practice. The book is an excellent resource for
those new to interaction design, or as a guidebook
or reference to practitioners.
13. Dana McKay, UX Researcher, Practitioner and Academic,
University of Melbourne, Australia
Computers are ubiquitous and embedded in virtually every new
device and system, ranging from the omnipresent
cellphone to the complex web of sociotechnical systems that
envelop most every sphere of personal and profes-
sional life. They connect our activities to ever-expanding
information resources with previously unimaginable
computational power. To ensure interface design respects
human needs and augments our abilities is an intellectual
challenge of singular importance. It involves not only complex
theoretical and methodological issues of how to
design effective representations and mechanisms of interaction
but also confronts complex social, cultural, and
political issues such as those of privacy, control of attention,
and ownership of information. The new edition of
Interaction Design continues to be the introductory book I
recommend to my students and to anyone interested in
this crucially important area.
Jim Hollan, Distinguished Professor of Cognitive Science,
University of California San Diego, USA
Interaction Design continues to be my favorite textbook on HCI.
Even named our undergraduate and postgradu-
ate programmes at Aalborg University after it. In its fifth
edition, it captures the newest developments in the field’s
cumulative body of knowledge, and continues to be the most
updated and accessible work available. As always, it
serves as a clear pointer to emerging trends in interactive
technology design and use.
Jesper Kjeldskov, Professor and Head of Department of
Computer Science, Aalborg University, Denmark
14. I got to learn about the field of HCI and interaction design when
I came across the first edition of this book at the
library in my junior year of college. As an HCI researcher and
educator, I have been having the pleasure of intro-
ducing the subject to undergraduates and professional master’s
students using the previous editions. I thank the
authors for their studious efforts to update and add new contents
that are relevant for students, academics, and
professionals to help them learn this ever-evolving field of HCI
and interaction design in a delightful manner.
Eun Kyoung Choe, Professor of Human-Computer Interaction,
College of Information Studies,
University of Maryland, USA
This new edition is, without competition, the most
comprehensive and authoritative source in the field when it
comes to modern interaction design. It is highly accessible and
it is a pleasure to read. The authors of this book
have once again delivered what the field needs!
Erik Stolterman, Professor in Informatics, School of Informatics
and Computing,
Indiana University, Bloomington, USA
This book illuminates the interaction design field like no other.
Interaction design is such a vast, multidisciplinary
field that you might think it would be impossible to synthesize
the most relevant knowledge in one book. This
book does not only that, but goes even further: it eloquently
brings contemporary examples and diverse voices to
make the knowledge concrete and actionable, so it is useful for
students, researchers, and practitioners alike. This
new edition includes invaluable discussions about the current
challenges we now face with data at scale, embrac-
ing the ethical design concerns our society needs so much in
15. this era.
Simone D. J. Barbosa, Professor of Computer Science, PUC-
Rio,
and Co-Editor-in-Chief of ACM Interactions, Brazil
My students like this book a lot! It provides a comprehensive
coverage of the essential aspects of HCI/UX, which
is key to the success of any software applications. I also like
many aspects of the book, particularly the examples
and videos (some of which are provided as hyperlinks) because
they not only help to illustrate the HCI/UX con-
cepts and principles, but also relate very well to readers. I
highly recommend this book to anyone who wants to
learn more about HCI/UX.
Fiona Fui-Hoon Nah, Editor-in-Chief of AIS Transactions on
Human-Computer Interaction,
Professor of Business and Information Technology, Missouri
University of Science
and Technology, Rolla, Missouri, USA
I have been using the book for several years in my Human-
Computer Interaction class. It helps me, not only for
teaching, but also for theses supervision. I really appreciate the
authors regarding their efforts in maintaining the
relevance and up-to-dateness of the Interaction Design book.
For example, they put Data At Scale and AgileUX in
the new edition. Really love the book!
Harry B. Santoso, PhD, Instructor of Interaction System (HCI)
course at Faculty of Computer Science,
Universitas Indonesia, Indonesia
16. During my PhD already the first edition of Interaction Design:
beyond human-computer interaction in 2002
quickly became my preferred reference book. Seventeen years
later, and now in its fifth edition, I commend the
authors for their meticulous and consistent effort in updating
and enriching what has become the field’s standard
introductory textbook. Not just about objects and artefact,
design today is increasingly recognized as a sophis-
ticated and holistic approach for systems thinking. Similarly,
Preece, Sharp, and Rogers have kept the book’s
coverage with the times by providing a comprehensive,
compelling, and accessible coverage of concepts, methods
and cases of interaction design across many domains such as
experience design, ubiquitous computing, and urban
informatics.
Marcus Foth, Professor of Urban Informatics, QUT Design Lab,
Brisbane, Australia
“Interaction Design” has long been my textbook of choice for
general HCI courses. The latest edition has intro-
duced a stronger practitioner focus that should add value for
students transitioning into practice, for practitioners,
and also for others interested in interaction design and its role
in product development. It manages to be an engag-
ing read while also being “snackable”, to cover the basics and
also inspire. I still find it a great read, and believe
others will too.”
Ann Blandford, Professor of Human – Computer Interaction,
University College London
Very clear style, with plenty of active learning material and
pointers to further reading. I found that it works very
well with engineering students.
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20. The authors are senior academics with a background in
teaching, researching, and consulting
in the United Kingdom, United States, Canada, India, Australia,
South Africa, and Europe.
Having worked together on four previous editions of this book,
as well as an earlier textbook
on human-computer interaction, they bring considerable
experience in curriculum develop-
ment using a variety of media for online learning as well as
face-to-face teaching. They have
considerable knowledge in creating learning texts and websites
that motivate and support
learning for a range of students. All three authors are specialists
in interaction design and
human-computer interaction (HCI). In addition, they bring skills
from other disciplines; for
instance, Yvonne Rogers started off as a cognitive scientist,
Helen Sharp is a software engi-
neer, and Jenny Preece works in information systems. Their
complementary knowledge and
skills enable them to cover the breadth of concepts in
interaction design and HCI to produce
an interdisciplinary text and website.
Helen Sharp is a Professor of Software Engineering and
Associate Dean in the Faculty of
Science, Technology, Engineering, and Mathematics at the Open
University. Originally trained
as a software engineer, it was by watching the frustration of
users and the clever “work-
arounds” they developed that inspired her to investigate HCI,
user-centered design, and the
other related disciplines that now underpin the field of
interaction design. Her research
21. focuses on the study of professional software practice and the
effect of human and social
aspects on software development, leveraging her expertise in
the intersection between inter-
action design and software engineering and working closely
with practitioners to support
practical impact. She is active in both the software engineering
and CHI communities, and
she has had a long association with practitioner-related
conferences. Helen is on the editorial
board of several software engineering journals, and she is a
regular invited speaker at aca-
demic and practitioner venues.
Yvonne Rogers is the Director of the Interaction Centre at
University College London, a
Professor of Interaction Design, and a deputy head of
department for Computer Science.
She is internationally renowned for her work in HCI and
ubiquitous computing and, in
particular, for her pioneering approach to innovation and
ubiquitous learning. Yvonne is
widely published, and she is the author of two recent books:
Research in the Wild (2017,
co-authored with Paul Marshall) and The Secrets of Creative
People (2014). She is also a
regular keynote speaker at computing and HCI conferences
worldwide. Former positions
include Professor of Interaction Design at the Open University
(2006–2011), Professor of
Human-Computer Interaction at the School of Informatics and
Computing at Indiana
University (2003–2006), and Professor in the former School of
Cognitive and Computing
Sciences at Sussex University (1992–2003). She has also been a
Visiting Professor at UCSC,
22. University of Cape Town, Melbourne University, Stanford,
Apple, Queensland University,
and UCSD. She has been elected as a Fellow of the ACM, the
British Computer Society, and
the ACM’s CHI Academy.
About the Authors
A b o u t t h e A u t h o r sviii
Jennifer Preece is Professor and Dean Emerita in the College of
Information Studies—
Maryland’s iSchool—at the University of Maryland. Jenny’s
research focuses on the intersec-
tion of information, community, and technology. She is
particularly interested in community
participation online and offline. She has researched ways to
support empathy and social
support online, patterns of online participation, reasons for not
participating (for example,
lurking and infrequent participation), strategies for supporting
online communication, devel-
opment of norms, and the attributes of successful technology-
supported communities.
Currently, Jenny focuses on how technology can be used to
educate and motivate citizens to
engage and contribute quality data to citizen science projects.
This research contributes to the
broader need for the collection of data about the world’s flora
and fauna at a time when
many species are in rapid decline due to habitat loss, pollution,
and climate change. She was
author of one of the first books on online communities—Online
Communities: Designing
23. Usability, Supporting Sociability (2000) published by John
Wiley & Sons Ltd and several
other HCI texts. Jenny is also widely published, a regular
keynote speaker, and a member of
the ACM’s CHI Academy.
Associate Publisher
Jim Minatel
Editorial Manager
Pete Gaughan
Production Manager
Katie Wisor
Project Editor
Gary Schwartz
Production Editor
Barath Kumar Rajasekaran
Technical Editors
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Jill L. H. Reed
Copy Editor
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Proofreader
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Indexer
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25. Allison Druin, Ana
Javornik, Anijo Mathew, Ann Blandford, Ann Jones, Anne
Adams, Ben Bederson, Ben Shnei-
derman, Blaine Price, Carol Boston, Cathy Holloway, Clarisse
Sieckenius de Souza, Connie
Golsteijn, Dan Green, Dana Rotman, danah boyd, Debbie Stone,
Derek Hansen, Duncan
Brown, Edwin Blake, Eva Hornecker, Fiona Nah, Gill Clough,
Godwin Egbeyi, Harry Brignull,
Janet van der Linden, Jeff Rick, Jennifer Ferreira, Jennifer
Golbeck, Jeremy Mayes, Joh Hunt,
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In addition we wish to thank the many students, instructors,
researchers and practition-
ers who have contacted us over the years with stimulating
comments, positive feedback and
provocative questions
We are particularly grateful to Vikram Mehta, Nadia Pantidi,
and Mara Balestrini for
filming, editing, and compiling a series of on-the-spot “talking
heads” videos, where they
posed probing questions to the diverse set of attendees at
CHI’11, CHI’14, and CHI’18,
26. including a variety of CHI members from across the globe. The
questions included asking
about the future of interaction design and whether HCI has gone
too wild. There are about
75 of these videos, which can be viewed on our website at
www.id-book.com. We are also
indebted to danah boyd, Harry Brignull, Leah Beuchley,
Albrecht Schmidt, Ellen Gottesdie-
ner, and Jon Froehlich for generously contributing in-depth,
text-based interviews in the
book. We would like to thank Rien Sach, who has been our
webmaster for several years, and
Deb Yuill who did a thoughtful and thorough job of editing the
old reference list.
Danelle Bailey and Jill Reed provided thoughtful critiques and
suggestions on all the
chapters in the fifth edition, and we thank them.
Finally, we would like to thank our editor and the production
team at Wiley who have
been very supportive and encouraging throughout the process of
developing this fifth edition:
Jim Minatel, Pete Gaughan, Gary Schwartz, and Barath Kumar
Rajasekaran.
Acknowledgments
http://www.id-book.com
Contents
What’s Inside? xvii
27. 1 WHAT IS INTERACTION DESIGN? 1
1.1 Introduction 1
1.2 Good and Poor Design 2
1.3 What Is Interaction Design? 9
1.4 The User Experience 13
1.5 Understanding Users 15
1.6 Accessibility and Inclusiveness 17
1.7 Usability and User Experience Goals 19
Interview with Harry Brignull 34
2 THE PROCESS OF INTERACTION DESIGN 37
2.1 Introduction 37
2.2 What Is Involved in Interaction Design? 38
2.3 Some Practical Issues 55
3 CONCEPTUALIZING INTERACTION 69
3.1 Introduction 69
3.2 Conceptualizing Interaction 71
3.3 Conceptual Models 74
3.4 Interface Metaphors 78
3.5 Interaction Types 81
3.6 Paradigms, Visions, Theories, Models, and Frameworks 88
Interview with Albrecht Schmidt 97
4 COGNITIVE ASPECTS 101
4.1 Introduction 101
4.2 What Is Cognition? 102
4.3 Cognitive Frameworks 123
5 SOCIAL INTERACTION 135
28. 5.1 Introduction 135
5.2 Being Social 136
5.3 Face-to-Face Conversations 139
C O N T E N T Sxiv
5.4 Remote Conversations 143
5.5 Co-presence 150
5.6 Social Engagement 158
6 EMOTIONAL INTERACTION 165
6.1 Introduction 165
6.2 Emotions and the User Experience 166
6.3 Expressive Interfaces and Emotional Design 172
6.4 Annoying Interfaces 174
6.5 Affective Computing and Emotional AI 179
6.6 Persuasive Technologies and Behavioral Change 182
6.7 Anthropomorphism 187
7 INTERFACES 193
7.1 Introduction 193
7.2 Interface Types 194
7.3 Natural User Interfaces and Beyond 252
7.4 Which Interface? 253
Interview with Leah Buechley 257
8 DATA GATHERING 259
8.1 Introduction 259
8.2 Five Key Issues 260
8.3 Data Recording 266
8.4 Interviews 268
29. 8.5 Questionnaires 278
8.6 Observation 287
8.7 Choosing and Combining Techniques 300
9 DATA ANALYSIS, INTERPRETATION, AND
PRESENTATION 307
9.1 Introduction 307
9.2 Quantitative and Qualitative 308
9.3 Basic Quantitative Analysis 311
9.4 Basic Qualitative Analysis 320
9.5 Which Kind of Analytic Framework to Use? 329
9.6 Tools to Support Data Analysis 341
9.7 Interpreting and Presenting the Findings 342
C O N T E N T S xv
10 DATA AT SCALE 349
10.1 Introduction 349
10.2 Approaches to Collecting and Analyzing Data 351
10.3 Visualizing and Exploring Data 366
10.4 Ethical Design Concerns 375
11 DISCOVERING REQUIREMENTS 385
11.1 Introduction 385
11.2 What, How, and Why? 386
11.3 What Are Requirements? 387
11.4 Data Gathering for Requirements 395
11.5 Bringing Requirements to Life: Personas and Scenarios
403
11.6 Capturing Interaction with Use Cases 415
Interview with Ellen Gottesdiener 418
30. 12 DESIGN, PROTOTYPING, AND CONSTRUCTION 421
12.1 Introduction 421
12.2 Prototyping 422
12.3 Conceptual Design 434
12.4 Concrete Design 445
12.5 Generating Prototypes 447
12.6 Construction 457
Interview with Jon Froehlich 466
13 INTERACTION DESIGN IN PRACTICE 471
13.1 Introduction 471
13.2 AgileUX 473
13.3 Design Patterns 484
13.4 Open Source Resources 489
13.5 Tools for Interaction Design 491
14 INTRODUCING EVALUATION 495
14.1 Introduction 495
14.2 The Why, What, Where, and When of Evaluation 496
14.3 Types of Evaluation 500
14.4 Evaluation Case Studies 507
14.5 What Did We Learn from the Case Studies? 514
14.6 Other Issues to Consider When Doing Evaluation 516
C O N T E N T Sxvi
15 EVALUATION STUDIES: FROM CONTROLLED TO
NATURAL SETTINGS 523
15.1 Introduction 523
31. 15.2 Usability Testing 524
15.3 Conducting Experiments 533
15.4 Field Studies 536
Interview with danah boyd 546
16 EVALUATION: INSPECTIONS, ANALYTICS, AND
MODELS 549
16.1 Introduction 549
16.2 Inspections: Heuristic Evaluation and Walk-Throughs 550
16.3 Analytics and A/B Testing 567
16.4 Predictive Models 576
References 581
Index 619
What’s Inside?
Welcome to the fifth edition of Interaction Design: beyond
human-computer interaction and
our interactive website at www.id-book.com. Building on the
success of the previous edi-
tions, we have substantially updated and streamlined the
material in this book to provide a
comprehensive introduction to the fast-growing and multi-
disciplinary field of interaction
design. Rather than let the book expand, however, we have
again made a conscious effort to
keep it at the same size.
Our textbook is aimed at both professionals who want to find
out more about inter-
action design and students from a range of backgrounds
32. studying introductory classes in
human-computer interaction, interaction design, information
and communications technol-
ogy, web design, software engineering, digital media,
information systems, and information
studies. It will appeal to practitioners, designers, and
researchers who want to discover what
is new in the field or to learn about a specific design approach,
method, interface, or topic.
It is also written to appeal to a general audience interested in
design and technology.
It is called Interaction Design: beyond human-computer
interaction because interaction
design has traditionally been concerned with a broader scope of
issues, topics, and methods than
was originally the scope of human-computer interaction
(HCI)—although nowadays, the two
increasingly overlap in scope and coverage of topics. We define
interaction design as follows:
Designing interactive products to support the way people
communicate and interact in
their everyday and working lives.
Interaction design requires an understanding of the capabilities
and desires of people
and the kinds of technology that are available. Interaction
designers use this knowledge to
discover requirements and develop and manage them to produce
a design. Our textbook pro-
vides an introduction to all of these areas. It teaches practical
techniques to support develop-
ment as well as discussing possible technologies and design
alternatives.
33. The number of different types of interface and applications
available to today’s interac-
tion designers continues to increase steadily, so our textbook,
likewise, has been expanded to
cover these new technologies. For example, we discuss and
provide examples of brain, smart,
robotic, wearable, shareable, augmented reality, and multimodel
interfaces, as well as more
traditional desktop, multimedia, and web-based interfaces.
Interaction design in practice is
changing fast, so we cover a range of processes, issues, and
examples throughout the book.
The book has 16 chapters, and it includes discussion of the
different design approaches
in common use; how cognitive, social, and affective issues
apply to interaction design; and
how to gather, analyze, and present data for interaction design.
A central theme is that design
and evaluation are interwoven, highly iterative processes, with
some roots in theory but that
rely strongly on good practice to create usable products. The
book has a hands-on orienta-
tion and explains how to carry out a variety of techniques used
to design and evaluate the
wide range of new applications coming onto the market. It has a
strong pedagogical design
and includes many activities (with detailed comments) and more
complex activities that can
form the basis for student projects. There are also “Dilemmas,”
which encourage readers to
weigh the pros and cons of controversial issues.
http://www.id-book.com
34. W h at ’ s I n s I d e ?xviii
The style of writing throughout the book is intended to be
accessible to a range of read-
ers. It is largely conversational in nature and includes
anecdotes, cartoons, and case studies.
Many of the examples are intended to relate to readers’ own
experiences. The book and the
associated website are also intended to encourage readers to be
active when reading and to
think about seminal issues. The goal is for readers to understand
that much of interaction
design needs consideration of the issues, and that they need to
learn to weigh the pros and
cons and be prepared to make trade-offs. There is rarely a right
or wrong answer, although
there is a world of difference between a good design and a poor
design.
This book is accompanied by a website (www.id-book.com),
which provides a variety of
resources, including slides for each chapter, comments on
chapter activities, and a number
of in-depth case studies written by researchers and designers.
There are video interviews
with a wide range of experts from the field, including
professional interaction designers and
university professors. Pointers to respected blogs, online
tutorials, YouTube videos, and other
useful materials are also provided.
tasteRs
We address topics and questions about the what, why, and how
of interaction design. These
include the following:
35. • Why some interfaces are good and others are poor
• Whether people can really multitask
• How technology is transforming the way people communicate
with one another
• What are users’ needs, and how we can design for them
• How interfaces can be designed to change people’s behavior
• How to choose between the many different kinds of
interactions that are now available
(for example, talking, touching, and wearing)
• What it means to design accessible and inclusive interfaces
• The pros and cons of carrying out studies in the lab versus in
the field and in the wild
• When to use qualitative and quantitative methods
• How to construct informed consent forms
• How the type of interview questions posed affects the
conclusions that can be drawn from
the answers given
• How to move from a set of scenarios and personas to initial
low-fidelity prototypes
• How to visualize the results of data analysis effectively
• How to collect, analyze, and interpret data at scale
• Why it is that what people say can be different from what
they do
• The ethics of monitoring and recording people’s activities
• What are Agile UX and Lean UX and how they relate to
interaction design
• How Agile UX can be practically integrated with interaction
design throughout different
stages of the design process
http://www.id-book.com
36. W h at ’ s I n s I d e ? xix
Changes from Previous Editions
To reflect the dynamic nature of the field, the fifth edition has
been thoroughly updated, and
new examples, images, case studies, dilemmas, and so on, have
been included to illustrate the
changes. Included in this edition is a new chapter called “Data
at Scale.” Collecting data has
never been easier. However, knowing what to do with it when
designing new user experiences
is much more difficult. The chapter introduces key methods for
collecting data at scale, dis-
cusses how to transform data at scale to be meaningful, and
reviews a number of methods for
visualizing and exploring data at scale while introducing
fundamental design principles
for making data at scale ethical. This is positioned just after two
chapters that introduce data
gathering and data analysis that discuss fundamental methods.
In this edition, the chapter on the Process of Interaction Design
has been re-located to
Chapter 2 in order to better frame the discussion of interaction
design. It has been updated
with new process models and modified to fit its new location in
the book structure. This means
that the other chapters have been renumbered to accommodate
this and the new chapter.
Chapter 13, “Interaction Design in Practice,” has been updated
to reflect recent devel-
opments in the use of practical UX methods. Old examples and
methods no longer used in
the field have been removed to make way for the new material.
37. Some chapters have been
completely rewritten, while others have been extensively
revised. For example, Chapters 4, 5,
and 6 have been substantially updated to reflect new
developments in social media and emo-
tional interaction, while also covering the new interaction
design issues they raise, such as
privacy and addiction. Many examples of new interfaces and
technologies have been added
to Chapter 7. Chapter 8 and Chapter 9 on data gathering and
analysis have also been sub-
stantially updated. New case studies and examples have been
added to Chapters 14–16 to
illustrate how evaluation methods have changed for use with the
continuously evolving tech-
nology that is being developed for today’s users. The interviews
accompanying the chapters
have been updated, and two new ones are included with leading
figures involved in innova-
tive research, state-of-the-art design, and contemporary
practice.
We have decided to continue to provide both a print-based
version of the book and an
e-book. Both are in full color. The e-book supports note
sharing, annotating, contextualized
navigating, powerful search features, inserted videos, links, and
quizzes.
W H A T I S I N T E R A C T I O N D E S I G N ?
Objectives
38. The main goals of this chapter are to accomplish the following:
• Explain the difference between good and poor interaction
design.
• Describe what interaction design is and how it relates to
human-computer interaction
and other fields.
• Explain the relationship between the user experience and
usability.
• Introduce what is meant by accessibility and inclusiveness in
relation to human-
computer interaction.
• Describe what and who is involved in the process of
interaction design.
• Outline the different forms of guidance used in interaction
design.
• Enable you to evaluate an interactive product and explain
what is good and bad about
it in terms of the goals and core principles of interaction design.
1.1 Introduction
How many interactive products are there in everyday use? Think
for a minute about what you
use in a typical day: a smartphone, tablet, computer, laptop,
remote control, coffee machine,
ticket machine, printer, GPS, smoothie maker, e-reader, smart
TV, alarm clock, electric tooth-
brush, watch, radio, bathroom scales, fitness tracker, game
console . . . the list is endless. Now
think for a minute about how usable they are. How many are
actually easy, effortless, and
1.1 Introduction
39. 1.2 Good and Poor Design
1.3 What Is Interaction Design?
1.4 The User Experience
1.5 Understanding Users
1.6 Accessibility and Inclusiveness
1.7 Usability and User Experience Goals
Chapter 1
1 W H AT I S I N T E R A C T I O N D E S I G N ?2
enjoyable to use? Some, like the iPad, are a joy to use, where
tapping an app and flicking
through photos is simple, smooth, and enjoyable. Others, like
working out how to buy the
cheapest train ticket from a ticket machine that does not
recognize your credit card after
completing a number of steps and then makes you start again
from scratch, can be very frus-
trating. Why is there a difference?
Many products that require users to interact with them, such as
smartphones and fit-
ness trackers, have been designed primarily with the user in
mind. They are generally easy
and enjoyable to use. Others have not necessarily been designed
with the users in mind;
rather, they have been engineered primarily as software systems
40. to perform set functions.
An example is setting the time on a stove that requires a
combination of button presses
that are not obvious as to which ones to press together or
separately. While they may work
effectively, it can be at the expense of how easily they will be
learned and therefore used in a
real-world context.
Alan Cooper (2018), a well-known user experience (UX) guru,
bemoans the fact that
much of today’s software suffers from the same interaction
errors that were around 20 years
ago. Why is this still the case, given that interaction design has
been in existence for more
than 25 years and that there are far more UX designers now in
industry than ever before?
He points out how many interfaces of new products do not
adhere to the interaction design
principles validated in the 1990s. For example, he notes that
many apps do not follow even
the most basic of UX principles, such as offering an “undo”
option. He exclaims that it is
“inexplicable and unforgivable that these violations continue to
resurface in new prod-
ucts today.”
How can we rectify this situation so that the norm is that all
new products are designed
to provide good user experiences? To achieve this, we need to
be able to understand how
to reduce the negative aspects (such as frustration and
annoyance) of the user experience
while enhancing the positive ones (for example, enjoyment and
efficacy). This entails devel-
oping interactive products that are easy, effective, and
41. pleasurable to use from the users’
perspective.
In this chapter, we begin by examining the basics of interaction
design. We look at the
difference between good and poor design, highlighting how
products can differ radically in
how usable and enjoyable they are. We then describe what and
who is involved in the process
of interaction design. The user experience, which is a central
concern of interaction design,
is then introduced. Finally, we outline how to characterize the
user experience in terms of
usability goals, user experience goals, and design principles. An
in-depth activity is presented
at the end of the chapter in which you have the opportunity to
put into practice what you
have read by evaluating the design of an interactive product.
1.2 Good and Poor Design
A central concern of interaction design is to develop interactive
products that are usable. By
this we mean products that are generally easy to learn, effective
to use, and provide an enjoy-
able user experience. A good place to start thinking about how
to design usable interactive
products is to compare examples of well-designed and poorly
designed ones. Through identi-
fying the specific weaknesses and strengths of different
interactive products, we can begin to
1 . 2 G O O D A N D P O O R D E S I G N 3
42. understand what it means for something to be usable or not.
Here, we describe two examples
of poorly designed products that have persisted over the years—
a voice-mail system used in
hotels and the ubiquitous remote control—and contrast these
with two well-designed exam-
ples of the same products that perform the same function.
1.2.1 Voice-Mail System
Imagine the following scenario. You are staying at a hotel for a
week while on a business
trip. You see a blinking red light on the landline phone beside
the bed. You are not sure what
this means, so you pick up the handset. You listen to the tone
and it goes “beep, beep, beep.”
Maybe this means that there is a message for you. To find out
how to access the message,
you have to read a set of instructions next to the phone. You
read and follow the first step:
1. Touch 41.
The system responds: “You have reached the Sunny Hotel voice
message center. Please
enter the room number for which you would like to leave a
message.”
You wait to hear how to listen to a recorded message. But there
are no further instruc-
tions from the phone. You look down at the instruction sheet
again and read:
2. Touch*, your room number, and #.
You do so and the system replies: “You have reached the
mailbox for room 106. To leave
a message, type in your password.”
You type in the room number again, and the system replies:
“Please enter room number
43. again and then your password.”
You don’t know what your password is. You thought it was the
same as your room num-
ber, but clearly it is not. At this point, you give up and call the
front desk for help. The person at
the desk explains the correct procedure for listening to
messages. This involves typing in,
at the appropriate times, the room number and the extension
number of the phone (the latter is
the password, which is different from the room number).
Moreover, it takes six steps to access
a message. You give up.
What is problematic with this voice-mail system?
• It is infuriating.
• It is confusing.
• It is inefficient, requiring you to carry out a number of steps
for basic tasks.
• It is difficult to use.
• It has no means of letting you know at a glance whether any
messages have been left or
how many there are. You have to pick up the handset to find out
and then go through a
series of steps to listen to them.
• It is not obvious what to do: The instructions are provided
partially by the system and
partially by a card beside the phone.
Now compare it to the phone answering machine shown in
Figure 1.1 The illustration
shows a small sketch of a phone answering machine. Incoming
messages are represented
using marbles. The number of marbles that have moved into the
44. pinball-like chute indicates
the number of messages. Placing one of these marbles into a
dent on the machine causes the
recorded message to play. Dropping the same marble into a
different dent on the phone dials
the caller who left the message.
1 W H AT I S I N T E R A C T I O N D E S I G N ?4
How does the marble answering machine differ from the voice-
mail system?
• It uses familiar physical objects that indicate visually at a
glance how many messages have
been left.
• It is aesthetically pleasing and enjoyable to use.
• It requires only one-step actions to perform core tasks.
• It is a simple but elegant design.
• It offers less functionality and allows anyone to listen to any
of the messages.
The marble answering machine is considered a design classic. It
was created by Durrell
Bishop while he was a student at the Royal College of Art in
London (described by Crampton
Smith, 1995). One of his goals was to design a messaging
system that represented its basic
functionality in terms of the behavior of everyday objects. To
do this, he capitalized on people’s
everyday knowledge of how the physical world works. In
particular, he made use of the ubiq-
uitous everyday action of picking up a physical object and
putting it down in another place.
45. This is an example of an interactive product designed with the
users in mind. The focus is
on providing them with a pleasurable experience but one that
also makes efficient the activity
of receiving messages. However, it is important to note that
although the marble answering
machine is an elegant and usable design, it would not be
practical in a hotel setting. One
of the main reasons is that it is not robust enough to be used in
public places; for instance,
the marbles could easily get lost or be taken as souvenirs. Also,
the need to identify the user
before allowing the messages to be played is essential in a hotel
setting.
Therefore, when considering the design of an interactive
product, it is important to con-
sider where it is going to be used and who is going to use it.
The marble answering machine
would be more suitable in a home setting—provided that there
were no children around who
might be tempted to play with the marbles!
Video Durrell Bishop’s answering machine:
http://vimeo.com/19930744.
Figure 1.1 The marble answering machine
Source: Adapted from Crampton Smith (1995)
http://vimeo.com/19930744
1 . 2 G O O D A N D P O O R D E S I G N 5
1.2.2 Remote Control
46. Every home entertainment system, be it the smart TV, set-top
box, stereo system, and so
forth, comes with its own remote control. Each one is different
in terms of how it looks and
works. Many have been designed with a dizzying array of small,
multicolored, and double-
labeled buttons (one on the button and one above or below it)
that often seem arbitrarily
positioned in relation to one another. Many viewers, especially
when sitting in their living
rooms, find it difficult to locate the right ones, even for the
simplest of tasks, such as pausing
or finding the main menu. It can be especially frustrating for
those who need to put on their
reading glasses each time to read the buttons. The remote
control appears to have been put
together very much as an afterthought.
In contrast, much effort and thought went into the design of the
classic TiVo remote con-
trol with the user in mind (see Figure 1.2). TiVo is a digital
video recorder that was originally
developed to enable the viewer to record TV shows. The remote
control was designed with
large buttons that were clearly labeled and logically arranged,
making them easy to locate
and use in conjunction with the menu interface that appeared on
the TV screen. In terms of
its physical form, the remote device was designed to fit into the
palm of a hand, having a
peanut shape. It also has a playful look and feel about it:
colorful buttons and cartoon icons
are used that are distinctive, making it easy to identify them.
Figure 1.2 The TiVo remote control
Source: https://business.tivo.com/
47. 1 W H AT I S I N T E R A C T I O N D E S I G N ?6
How was it possible to create such a usable and appealing
remote device where so many
others have failed? The answer is simple: TiVo invested the
time and effort to follow a user-
centered design process. Specifically, TiVo’s director of
product design at the time involved
potential users in the design process, getting their feedback on
everything from the feel of the
device in the hand to where best to place the batteries, making
them easy to replace but not
prone to falling out. He and his design team also resisted the
trap of “buttonitis” to which so
many other remote controls have fallen victim; that is one
where buttons breed like rabbits—
a button for every new function. They did this by restricting the
number of control buttons
embedded in the device to the essential ones. Other functions
were then represented as part of
the menu options and dialog boxes displayed on the TV screen,
which could then be selected
via the core set of physical control buttons. The result was a
highly usable and pleasing device
that has received much praise and numerous design awards.
DILEMMA
What Is the Best Way to Interact with a Smart TV?
A challenge facing smart TV providers is how to enable users to
interact with online
content. Viewers can select a whole range of content via their
TV screens, but it involves
48. scrolling through lots of menus and screens. In many ways, the
TV interface has become
more like a computer interface. This raises the question of
whether the remote control is
the best input device to use for someone who sits on a sofa or
chair that is some distance
from the wide TV screen. Smart TV developers have addressed
this challenge in a num-
ber of ways.
An early approach was to provide an on-screen keyboard and
numeric keypad that pre-
sented a grid of alphanumeric characters (see Figure 1.3a),
which were selected by pressing
a button repeatedly on a remote control. However, entering the
name of a movie or an email
address and password using this method can be painstakingly
slow; it is also easy to overshoot
and select the wrong letter or number when holding a button
down on the remote to reach a
target character.
More recent remote controls, such as those provided by Apple
TV, incorporate a
touchpad to enable swiping akin to the control commonly found
on laptops. While this
form of touch control expedites skipping through a set of letters
displayed on a TV screen,
it does not make it any easier to type in an email address and
password. Each letter,
number, or special character still has to be selected. Swiping is
also prone to overshoot-
ing when aiming for a target letter, number, or character.
Instead of providing a grid, the
Apple TV interface displays two single lines of letters,
numbers, and special characters
49. to swipe across (see Figure 1.3b). While this can make it
quicker for someone to reach a
character, it is still tedious to select a sequence of characters in
this way. For example, if
you select a Y and the next letter is an A, you have to swipe all
the way back to the begin-
ning of the alphabet.
1 . 2 G O O D A N D P O O R D E S I G N 7
1.2.1 What to Design
Designing interactive products requires considering who is
going to be using them, how
they are going to be used, and where they are going to be used.
Another key concern is
to understand the kind of activities people are doing when
interacting with these prod-
ucts. The appropriateness of different kinds of interfaces and
arrangements of input and
output devices depends on what kinds of activities are to be
supported. For example,
if the activity is to enable people to bank online, then an
interface that is secure, trust-
worthy, and easy to navigate is essential. In addition, an
interface that allows the user to
find out information about new services offered by the bank
without it being intrusive
would be useful.
Might there be a better way to interact with a smart TV while
sitting on the sofa? An
alternative is to use voice control. Remote controls, like Siri or
TiVo, for example, have a
speech button that when pressed allows viewers to ask for
50. movies by name or more generally
by category, for instance, “What are the best sci-fi movies on
Netflix?” Smart speakers, such
as Amazon Echo, can also be connected to a smart TV via an
HDMI port, and, similarly, the
user can ask for something general or more specific, for
example, “Alexa, play Big Bang The-
ory, Season 6, Episode 5, on the TV.” On recognizing the
command, it will switch on the TV,
switch to the right HDMI channel, open Netflix, and begin
streaming the specific episode.
Some TV content, however, requires the viewer to say that they
are over a certain age by
checking a box on the TV display. If the TV could ask the
viewer and check that they are over
18, then that would be really smart! Also, if the TV needs the
viewer to provide a password to
access on-demand content, they won’t want to say it out aloud,
character by character, espe-
cially in front of others who might also be in the room with
them. The use of biometrics, then,
may be the answer.
(a) (b)
Figure 1.3 Typing on a TV screen (a) by selecting letters and
numbers from a square matrix
and (b) by swiping along a single line of letters and numbers
Source: (b) https://support.apple.com/en-us/HT200107
https://support.apple.com/en-us/HT200107
1 W H AT I S I N T E R A C T I O N D E S I G N ?8
The world is becoming suffused with technologies that support
51. increasingly diverse
activities. Just think for a minute about what you can currently
do using digital technology:
send messages, gather information, write essays, control power
plants, program, draw, plan,
calculate, monitor others, and play games—just to name but a
few. Now think about the
types of interfaces and interactive devices that are available.
They too are equally diverse:
multitouch displays, speech-based systems, handheld devices,
wearables, and large interactive
displays—again, to name but a few. There are also many ways
of designing how users can
interact with a system, for instance, via the use of menus,
commands, forms, icons, gestures,
and so on. Furthermore, ever more innovative everyday artifacts
are being created using
novel materials, such as e-textiles and wearables (see
Figure 1.4).
The Internet of Things (IoT) now means that many products and
sensors can be con-
nected to each other via the Internet, which enables them to talk
to each other. Popular
household IoT-enabled products include smart heating and
lighting and home security sys-
tems where users can change the controls from an app on their
phone or check out who is
knocking on their door via a doorbell webcam. Other apps that
are being developed are
meant to make life easier for people, like finding a car parking
space in busy areas.
The interfaces for everyday consumer items, such as cameras,
microwave ovens, toasters,
and washing machines, which used to be physical and the realm
52. of product design, are now
predominantly digitally based, requiring interaction design
(called consumer electronics). The
move toward transforming human-human transactions into
solely interface-based ones has
also introduced a new kind of customer interaction. Self-
checkouts at grocery stores and librar-
ies are now the norm where it is commonplace for customers to
check out their own goods or
books themselves, and at airports, where passengers check in
their own luggage. While more
cost-effective and efficient, it is impersonal and puts the onus
on the person to interact with the
system. Furthermore, accidentally pressing the wrong button or
standing in the wrong place at
a self-service checkout can result in a frustrating, and
sometimes mortifying, experience.
Figure 1.4 Turn signal biking jacket using e-textiles developed
by Leah Beuchley
Source: Used courtesy of Leah Buechley
1 . 3 W H AT I S I N T E R A C T I O N D E S I G N ? 9
What this all amounts to is a multitude of choices and decisions
that interaction design-
ers have to make for an ever-increasing range of products. A
key question for interaction
design is this: “How do you optimize the users’ interactions
with a system, environment, or
product so that they support the users’ activities in effective,
useful, usable and pleasurable
ways?” One could use intuition and hope for the best.
Alternatively, one can be more prin-
53. cipled in deciding which choices to make by basing them on an
understanding of the users.
This involves the following:
• Considering what people are good and bad at
• Considering what might help people with the way they
currently do things
• Thinking through what might provide quality user experiences
• Listening to what people want and getting them involved in
the design
• Using user-centered techniques during the design process
The aim of this book is to cover these aspects with the goal of
showing you how to carry
out interaction design. In particular, it focuses on how to
identify users’ needs and the context
of their activities. From this understanding, we move on to
consider how to design usable,
useful, and pleasurable interactive products.
1.3 What Is Interaction Design?
By interaction design, we mean the following:
Designing interactive products to support the way people
communicate and interact in their
everyday and working lives
Put another way, it is about creating user experiences that
enhance and augment the
way people work, communicate, and interact. More generally,
Terry Winograd originally
described it as “designing spaces for human communication and
interaction” (1997, p. 160).
John Thackara viewed it as “the why as well as the how of our
daily interactions using com-
54. puters” (2001, p. 50), while Dan Saffer emphasized its artistic
aspects: “the art of facilitating
interactions between humans through products and services”
(2010, p. 4).
A number of terms have been used since to emphasize different
aspects of what is being
designed, including user interface design (UI), software design,
user-centered design, product
design, web design, user experience design, and interactive
system design. Interaction design
is generally used as the overarching term to describe the field,
including its methods, theories,
and approaches. UX is used more widely in industry to refer to
the profession. However, the
terms can be used interchangeably. Also, it depends on their
ethos and brand.
1.3.1 The Components of Interaction Design
We view interaction design as fundamental to many disciplines,
fields, and approaches that
are concerned with researching and designing computer-based
systems for people. Figure 1.5
presents the core ones along with interdisciplinary fields that
comprise one or more of these,
such as cognitive ergonomics. It can be confusing to try to work
out the differences between
them as many overlap. The main differences between interaction
design and the other
approaches referred to in the figure come largely down to which
methods, philosophies, and
lenses they use to study, analyze, and design products. Another
way they vary is in terms of
55. 1 W H AT I S I N T E R A C T I O N D E S I G N ?10
the scope and problems they address. For example, information
systems is concerned with the
application of computing technology in domains such as
business, health, and education,
whereas ubiquitous computing is concerned with the design,
development, and deployment
of pervasive computing technologies (for example, IoT) and
how they facilitate social inter-
actions and human experiences.
BOX 1.1
Is Interaction Design Beyond HCI?
We see the main difference between interaction design (ID) and
human-computer interaction
(HCI) as one of scope. Historically, HCI had a narrow focus on
the design and usability of
computing systems, while ID was seen as being broader,
concerned with the theory, research,
and practice of designing user experiences for all manner of
technologies, systems, and prod-
ucts. That is one of the reasons why we chose to call our book
Interaction Design: beyond
human-computer interaction, to reflect this wider range.
However, nowadays, HCI has greatly
expanded in its scope (Churchill et al., 2013), so much so that it
overlaps much more with ID
(see Figure 1.6).
Interaction
Design
Academic
Disciplines
57. Computer-
Supported
Cooperative
Work (CSCW)
Film Industry
Industrial Design
Artist-Design
Product Design
Graphic Design
Design Practices
Interdisciplinary Overlapping Fields
Figure 1.5 Relationship among contributing academic
disciplines, design practices, and interdisci-
plinary fields concerned with interaction design (double-headed
arrows mean overlapping)
1 . 3 W H AT I S I N T E R A C T I O N D E S I G N ? 11
1.3.2 Who Is Involved in Interaction Design?
Figure 1.5 also shows that many people are involved in
performing interaction design, rang-
ing from social scientists to movie-makers. This is not
surprising given that technology has
become such a pervasive part of our lives. But it can all seem
rather bewildering to the
58. onlooker. How does the mix of players work together?
Designers need to know many different things about users,
technologies, and the interac-
tions among them to create effective user experiences. At the
least, they need to understand
how people act and react to events and how they communicate
and interact with each other.
To be able to create engaging user experiences, they also need
to understand how emotions
work, what is meant by aesthetics, desirability, and the role of
narrative in human experi-
ence. They also need to understand the business side, technical
side, manufacturing side, and
marketing side. Clearly, it is difficult for one person to be well
versed in all of these diverse
areas and also know how to apply the different forms of
knowledge to the process of interac-
tion design.
Interaction design is ideally carried out by multidisciplinary
teams, where the skill sets
of engineers, designers, programmers, psychologists,
anthropologists, sociologists, marketing
people, artists, toy makers, product managers, and others are
drawn upon. It is rarely the case,
Figure 1.6 HCI out of the box: broadening its reach to cover
more areas
1 W H AT I S I N T E R A C T I O N D E S I G N ?12
however, that a design team would have all of these
professionals working together. Who to
59. include in a team will depend on a number of factors, including
a company’s design philoso-
phy, size, purpose, and product line.
One of the benefits of bringing together people with different
backgrounds and training
is the potential of many more ideas being generated, new
methods developed, and more crea-
tive and original designs being produced. However, the
downside is the costs involved. The
more people there are with different backgrounds in a design
team, the more difficult it can
be to communicate and make progress with the designs being
generated. Why? People with
different backgrounds have different perspectives and ways of
seeing and talking about the
world. What one person values as important others may not
even see (Kim, 1990). Similarly,
a computer scientist’s understanding of the term representation
is often very different from
that of a graphic designer or psychologist.
What this means in practice is that confusion,
misunderstanding, and communication
breakdowns can surface in a team. The various team members
may have different ways
of talking about design and may use the same terms to mean
quite different things. Other
problems can arise when a group of people who have not
previously worked as a team are
thrown together. For example, Aruna Balakrishnan et al. (2011)
found that integration across
different disciplines and expertise is difficult in many projects,
especially when it comes to
agreeing on and sharing tasks. The more disparate the team
members—in terms of culture,
60. background, and organizational structures—the more complex
this is likely to be.
ACTIVITY 1.1
In practice, the makeup of a given design team depends on the
kind of interactive product
being built. Who do you think should be involved in developing
• A public kiosk providing information about the exhibits
available in a science museum?
• An interactive educational website to accompany a TV series?
Comment
Ideally, each team will have a number of different people with
different skill sets. For example,
the first interactive product would include the following
individuals:
• Graphic and interaction designers, museum curators,
educational advisers, software engi-
neers, software designers, and ergonomists
The second project would include these types of individuals:
• TV producers, graphic and interaction designers, teachers,
video experts, software engi-
neers, and software designers
In addition, as both systems are being developed for use by the
general public, representa-
tive users, such as school children and parents, should be
involved.
In practice, design teams often end up being quite large,
especially if they are working on
a big project to meet a fixed deadline. For example, it is
common to find teams of 15 or more
people working on a new product like a health app. This means
that a number of people from
61. each area of expertise are likely to be working as part of the
project team.
1 . 4 T H E U S E R E X P E R I E N C E 13
1.3.3 Interaction Design Consultancies
Interaction design is now widespread in product and services
development. In particular,
website consultants and the computing industries have realized
its pivotal role in successful
interactive products. But it is not just IT companies that are
realizing the benefits of having
UXers on board. Financial services, retail, governments, and the
public sector have realized
too the value of interaction design. The presence or absence of
good interaction design can
make or break a company. Getting noticed in the highly
competitive field of web products
requires standing out. Being able to demonstrate that your
product is easy, effective, and
engaging to use is seen as central to this. Marketing
departments are also realizing how
branding, the number of hits, the customer return rate, and
customer satisfaction are greatly
affected by the usability of a website.
There are many interaction design consultancies now. These
include established compa-
nies, such as Cooper, NielsenNorman Group, and IDEO, and
more recent ones that specialize
in a particular area, such as job board software (for example,
Madgex), digital media (think of
Cogapp), or mobile design (such as CXpartners). Smaller
consultancies, such as Bunnyfoot and
62. Dovetailed, promote diversity, interdisciplinarity, and scientific
user research, having psycholo-
gists, researchers, interaction designers, usability, and customer
experience specialists on board.
Many UX consultancies have impressive websites, providing
case studies, tools, and
blogs. For example, Holition publishes an annual glossy booklet
as part of its UX Series
(Javornik et al., 2017) to disseminate the outcomes of their in-
house research to the wider
community, with a focus on the implications for commercial and
cultural aspects. This shar-
ing of UX knowledge enables them to contribute to the
discussion about the role of technol-
ogy in the user experience.
1.4 The User Experience
The user experience refers to how a product behaves and is used
by people in the real world.
Jakob Nielsen and Don Norman (2014) define it as
encompassing “all aspects of the end-
user’s interaction with the company, its services, and its
products.” As stressed by Jesse Gar-
rett (2010, p. 10), “Every product that is used by someone has a
user experience: newspapers,
ketchup bottles, reclining armchairs, cardigan sweaters.” More
specifically, it is about how
people feel about a product and their pleasure and satisfaction
when using it, looking at it,
holding it, and opening or closing it. It includes their overall
impression of how good it is
to use, right down to the sensual effect small details have on
them, such as how smoothly a
switch rotates or the sound of a click and the touch of a button
63. when pressing it. An impor-
tant aspect is the quality of the experience someone has, be it a
quick one, such as taking a
photo; a leisurely one, such as playing with an interactive toy;
or an integrated one, such as
visiting a museum (Law et al., 2009).
It is important to point out that one cannot design a user
experience, only design for a
user experience. In particular, one cannot design a sensual
experience, but only create the
design features that can evoke it. For example, the outside case
of a smartphone can be
designed to be smooth, silky, and fit in the palm of a hand;
when held, touched, looked at,
and interacted with, that can provoke a sensual and satisfying
user experience. Conversely, if
it is designed to be heavy and awkward to hold, it is much more
likely to end up providing a
poor user experience—one that is uncomfortable and
unpleasant.
1 W H AT I S I N T E R A C T I O N D E S I G N ?14
Designers sometimes refer to UX as UXD. The addition of the D
to UX is meant to
encourage design thinking that focuses on the quality of the
user experience rather than
on the set of design methods to use (Allanwood and Beare,
2014). As Don Norman (2004)
has stressed for many years, “It is not enough that we build
products that function, that are
understandable and usable, we also need to build joy and
excitement, pleasure and fun, and
64. yes, beauty to people’s lives.”
ACTIVITY 1.2
The iPod Phenomenon
Apple’s classic (and subsequent) generations of portable music
players, called iPods, including
the iPod Touch, Nano, and Shuffle, released during the early
2000s were a phenomenal success.
Why do you think this occurred? Has there been any other
product that has matched this quality
of experience? With the exception of the iPod Touch, Apple
stopped production of them in 2017.
Playing music via a smartphone became the norm, superseding
the need for a separate device.
Comment
Apple realized early on that successful interaction design
involves creating interactive prod-
ucts that have a quality user experience. The sleek appearance
of the iPod music player (see
Figure 1.7), its simplicity of use, its elegance in style, its
distinct family of rainbow colors, a
novel interaction style that many people discovered was a sheer
pleasure to learn and use,
and the catchy naming of its product and content (iTunes, iPod),
among many other design
features, led to it becoming one of the greatest products of its
kind and a must-have fashion
item for teenagers, students, and adults alike. While there were
many competing players on
the market at the time—some with more powerful functionality,
others that were cheaper and
easier to use, or still others with bigger screens, more memory,
and so forth—the quality of the
overall user experience paled in comparison to that provided by
65. the iPod.
Figure 1.7 The iPod Nano
Source: David Paul Morris / Getty Images
1 . 5 U N D E R S TA N D I N G U S E R S 15
There are many aspects of the user experience that can be
considered and many ways of
taking them into account when designing interactive products.
Of central importance are the
usability, functionality, aesthetics, content, look and feel, and
emotional appeal. In addition,
Jack Carroll (2004) stresses other wide-reaching aspects,
including fun, health, social capital
(the social resources that develop and are maintained through
social networks, shared values,
goals, and norms), and cultural identity, such as age, ethnicity,
race, disability, family status,
occupation, and education.
Several researchers have attempted to describe the experiential
aspect of a user experi-
ence. Kasper Hornbæk and Morten Hertzum (2017) note how it
is often described in terms
of the way that users perceive a product, such as whether a
smartwatch is seen as sleek or
chunky, and their emotional reaction to it, such as whether
people have a positive experi-
ence when using it. Marc Hassenzahl’s (2010) model of the user
experience is the most well-
known, where he conceptualizes it in terms of pragmatic and
hedonic aspects. By pragmatic,
it is meant how simple, practical, and obvious it is for the user
66. to achieve their goals. By
hedonic, it is meant how evocative and stimulating the
interaction is to them. In addition
to a person’s perceptions of a product, John McCarthy and Peter
Wright (2004) discuss the
importance of their expectations and the way they make sense of
their experiences when
using technology. Their Technology as Experience framework
accounts for the user experi-
ence largely in terms of how it is felt by the user. They
recognize that defining experience
is incredibly difficult because it is so nebulous and ever-present
to us, just as swimming in
water is to a fish. Nevertheless, they have tried to capture the
essence of human experience
by describing it in both holistic and metaphorical terms. These
comprise a balance of sensual,
cerebral, and emotional threads.
How does one go about producing quality user experiences?
There is no secret sauce
or magical formula that can be readily applied by interaction
designers. However, there are
numerous conceptual frameworks, tried and tested design
methods, guidelines, and relevant
research findings, which are described throughout the book.
1.5 Understanding Users
A main reason for having a better understanding of people in
the contexts in which they live,
work, and learn is that it can help designers understand how to
design interactive products
that provide good user experiences or match a user’s needs. A
collaborative planning tool
for a space mission, intended to be used by teams of scientists
67. working in different parts of
the world, will have quite different needs from one targeted at
customer and sales agents,
to be used in a furniture store to draw up kitchen layout plans.
Understanding individual
The nearest overall user experience that has all of the above is
not so much for a product
but for a physical store. The design of the Apple Store as a
completely new customer experi-
ence for buying technology has been very successful in how it
draws people in and what they
do when browsing, discovering, and purchasing goods in the
store. The products are laid out
in a way to encourage interaction.
1 W H AT I S I N T E R A C T I O N D E S I G N ?16
differences can also help designers appreciate that one size does
not fit all; what works for
one user group may be totally inappropriate for another. For
example, children have different
expectations than adults about how they want to learn or play.
They may find having inter-
active quizzes and cartoon characters helping them along to be
highly motivating, whereas
most adults find them annoying. Conversely, adults often like
talking-head discussions about
topics, but children find them boring. Just as everyday objects
like clothes, food, and games
are designed differently for children, teenagers, and adults, so
too should interactive products
be designed for different kinds of users.
68. Learning more about people and what they do can also reveal
incorrect assumptions
that designers may have about particular user groups and what
they need. For example, it
is often assumed that because of deteriorating vision and
dexterity, old people want things
to be big—be it text or graphical elements appearing on a screen
or the physical controls,
like dials and switches, used to control devices. This may be
true for some elderly people,
but studies have shown that many people in their 70s, 80s, and
older are perfectly capa-
ble of interacting with standard-size information and even small
interfaces, for example,
smartphones, just as well as those in their teens and 20s, even
though, initially, some might
think they will find it difficult (Siek et al., 2005). It is
increasingly the case that as people
get older, they do not like to consider themselves as lacking in
cognitive and manual skills.
Being aware of people’s sensitivities, such as aging, is as
important as knowing how to
design for their capabilities (Johnson and Finn, 2017). In
particular, while many older adults
now feel comfortable with and use a range of technologies (for
instance, email, online shop-
ping, online games, or social media), they may resist adopting
new technologies. This is not
because they don’t perceive them as being useful to their lives
but because they don’t want
to waste their time getting caught up by the distractions that
digital life brings (Knowles and
Hanson, 2018), for example, not wanting to be “glued to one’s
mobile phone” like younger
generations.
69. Being aware of cultural differences is also an important concern
for interaction design,
particularly for products intended for a diverse range of user
groups from different countries.
An example of a cultural difference is the dates and times used
in different countries. In the
United States, for example, the date is written as month, day,
year (05/21/20), whereas in
other countries, it is written in the sequence of day, month, year
(21/05/20). This can cause
problems for designers when deciding on the format of online
forms, especially if intended
for global use. It is also a concern for products that have time as
a function, such as operating
systems, digital clocks, or car dashboards. To which cultural
group do they give preference?
How do they alert users to the format that is set as default? This
raises the question of how
easily an interface designed for one user group can be used and
accepted by another. Why is
it that certain products, like a fitness tracker, are universally
accepted by people from all parts
of the world, whereas websites are designed differently and
reacted to differently by people
from different cultures?
To understand more about users, we have included three
chapters (Chapters 4–6) that
explain in detail how people act and interact with one another,
with information, and with
various technologies, together with describing their abilities,
emotions, needs, desires, and
what causes them to get annoyed, frustrated, lose patience, and
get bored. We draw upon
relevant psychological theory and social science research. Such
knowledge enables designers
70. to determine which solutions to choose from the many design
alternatives available and how to
develop and test these further.
1 . 6 A C C E S S I B I L I T Y A N D I N C L U S I V E N E
S S 17
1.6 Accessibility and Inclusiveness
Accessibility refers to the extent to which an interactive product
is accessible by as many
people as possible. Companies like Google and Apple provide
tools for their developers to
promote this. The focus is on people with disabilities. For
example, Android OS provides a
range of tools for those with disabilities, such as hearing aid
compatibility to a built-in screen
reader, while Apple VoiceOver lets the user know what’s
happening on its devices, so they
can easily navigate and even know who is in a selfie just taken,
by listening to the phone.
Inclusiveness means being fair, open, and equal to everyone.
Inclusive design is an over-
arching approach where designers strive to make their products
and services accommodate
the widest possible number of people. An example is ensuring
that smartphones are being
designed for all and made available to everyone—regardless of
their disability, education,
age, or income.
Whether or not a person is considered to be disabled changes
over time with age, or
as recovery from an accident progresses throughout their life. In
71. addition, the severity and
impact of an impairment can vary over the course of a day or in
different environmental
conditions. Disability can result because technologies are often
designed in such a way as to
necessitate a certain type of interaction that is impossible for
someone with an impairment.
Disability in this context is viewed as the result of poor
interaction design between a user and
the technology, not the impairment alone. Accessibility, on the
other hand, opens up experi-
ences so that they are accessible to all. Technologies that are
now mainstream once started out
as solutions to accessibility challenges. For example, SMS was
designed for hearing-impaired
people before it became a mainstream technology. Furthermore,
designing for accessibility
inherently results in inclusive design for all.
Accessibility can be achieved in two ways: first, through the
inclusive design of
technology, and second, through the design of assistive
technology. When designing for
accessibility, it is essential to understand the types of
impairments that can lead to dis-
ability as they come in many forms. They are often classified by
the type of impairment,
for example:
• Sensory impairment (such as loss of vision or hearing)
• Physical impairment (having loss of functions to one or more
parts of the body, for exam-
ple, after a stroke or spinal cord injury)
• Cognitive (for instance, learning impairment or loss of
memory/cognitive function due to
72. old age or a condition such as Alzheimer’s disease)
Within each type is a complex mix of people and capabilities.
For example, a person
might have only peripheral vision, be color blind, or have no
light perception (and be regis-
tered blind). All are forms of visual impairment, and all require
different design approaches.
Color blindness can be overcome by an inclusive design
approach. Designers can choose
colors that will appear as separate colors to everyone. However,
peripheral vision loss or
complete blindness will often need an assistive technology to be
designed.
Impairment can also be categorized as follows:
• Permanent (for example, long-term wheelchair user)
• Temporary (such as after an accident or illness)
• Situational (for instance, a noisy environment means a person
can’t hear)
1 W H AT I S I N T E R A C T I O N D E S I G N ?18
The number of people living with permanent disability increases
with age. Fewer than
20 percent of people are born with a disability, whereas 80
percent of people will have a
disability once they reach 85. As people age, their functional
abilities diminish. For exam-
ple, people older than 50 often find it difficult to hear
conversations in rooms with hard
surfaces and lots of background noise. This is a disability that
will come to most of us at
73. some point.
People with permanent disabilities often use assistive
technology in their everyday life,
which they consider to be life-essential and an extension of
their self (Holloway and Dawes,
2016). Examples include wheelchairs (people now refer to
“wearing their wheels,” rather
than “using a wheelchair”) and augmented and alternative
communication aids. Much cur-
rent HCI research into disability explores how new
technologies, such as IoT, wearables, and
virtual reality, can be used to improve upon existing assistive
technologies.
Aimee Mullens is an athlete, actor, and fashion model who has
shown how prosthetics
can be designed to move beyond being purely functional (and
often ugly) to being desirable
and highly fashionable. She became a bilateral amputee when
her legs were amputated below
the knee as a one-year-old. She has done much to blur the
boundary between disabled and
nondisabled people, and she uses fashion as a tool to achieve
this. Several prosthetic compa-
nies now incorporate fashion design into their products,
including striking leg covers that are
affordable by all (see Figure 1.8).
Figure 1.8 Fashionable leg cover designed by Alleles Design
Studio
Source: https://alleles.ca/. Used courtesy of Alison Andersen
https://alleles.ca/
74. 1 . 7 U S A B I L I T Y A N D U S E R E X P E R I E N C E
G O A L S 19
1.7 Usability and User Experience Goals
Part of the process of understanding users is to be clear about
the primary objective of devel-
oping an interactive product for them. Is it to design an efficient
system that will allow them
to be highly productive in their work? Is it to design a learning
tool that will be challenging
and motivating? Or, is it something else? To help identify the
objectives, we suggest classify-
ing them in terms of usability and user experience goals.
Traditionally, usability goals are
concerned with meeting specific usability criteria, such as
efficiency, whereas user experience
goals are concerned with explicating the nature of the user
experience, for instance, to be
aesthetically pleasing. It is important to note, however, that the
distinction between the two
types of goals is not clear-cut since usability is often
fundamental to the quality of the user
experience and, conversely, aspects of the user experience, such
as how it feels and looks, are
inextricably linked with how usable the product is. We
distinguish between them here to help
clarify their roles but stress the importance of considering them
together when designing for
a user experience. Also, historically HCI was concerned
primarily with usability, but it has
since become concerned with understanding, designing for, and
evaluating a wider range of
user experience aspects.
1.7.1 Usability Goals
75. Usability refers to ensuring that interactive products are easy to
learn, effective to use, and
enjoyable from the user’s perspective. It involves optimizing
the interactions people have with
interactive products to enable them to carry out their activities
at work, at school, and in
their everyday lives. More specifically, usability is broken
down into the following six goals:
• Effective to use (effectiveness)
• Efficient to use (efficiency)
• Safe to use (safety)
• Having good utility (utility)
• Easy to learn (learnability)
• Easy to remember how to use (memorability)
Usability goals are typically operationalized as questions. The
purpose is to provide the
interaction designer with a concrete means of assessing various
aspects of an interactive
product and the user experience. Through answering the
questions, designers can be alerted
very early on in the design process to potential design problems
and conflicts that they might
not have considered. However, simply asking “Is the system
easy to learn?” is not going to be
very helpful. Asking about the usability of a product in a more
detailed way—for example,
“How long will it take a user to figure out how to use the most
basic functions for a new
smartwatch; how much can they capitalize on from their prior
experience; and how long
would it take the user to learn the whole set of functions?”—
will elicit far more information.
The following are descriptions of the usability goals and a
76. question for each one:
(i) Effectiveness is a general goal, and it refers to how good a
product is at doing what it is
supposed to do.
Question: Is the product capable of allowing people to learn,
carry out their work effi-
ciently, access the information that they need, or buy the goods
that they want?
1 W H AT I S I N T E R A C T I O N D E S I G N ?20
(ii) Efficiency refers to the way a product supports users in
carrying out their tasks. The
marble answering machine described earlier in this chapter was
considered efficient in
that it let the user carry out common tasks, for example,
listening to messages, through
a minimal number of steps. In contrast, the voice-mail system
was considered inefficient
because it required the user to carry out many steps and learn an
arbitrary set of sequences
for the same common task. This implies that an efficient way of
supporting common
tasks is to let the user use single button or key presses. An
example of where this kind of
efficiency mechanism has been employed effectively is in
online shopping. Once users
have entered all of the necessary personal details in an online
form to make a purchase,
they can let the website save all of their personal details. Then,
if they want to make
another purchase at that site, they don’t have to re-enter all of