Psychology
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The document discusses several key concepts for designing everyday things: 1. Perceived affordances refer to the perceived properties of an object that suggest how it can be used. Problems occur when a user's perceptions do not match the designer's intentions. 2. Visible constraints provide cues about the range of possible actions. More constraints reduce opportunities for errors. 3. Mapping involves the relationship between controls and their effects. Natural mappings improve usability. 4. Causality and feedback are important for users to understand cause-and-effect. Subtle or delayed effects can cause confusion. 5. Transfer effects occur when users apply knowledge from similar prior experiences, which can help or hinder depending on similarities.
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![Design of everyday things ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide deck by Saul Greenberg. Permission is granted to use this for non-commercial purposes as long as general credit to Saul Greenberg is clearly maintained. Warning: some material in this deck is used from other sources without permission. Credit to the original source is given if it is known.](https://image.slidesharecdn.com/psychology-1226637823996477-9/85/Psychology-1-320.jpg)
![Perceived Affordance ,[object Object],Many concepts in this section are adapted from Don Norman’s book: The Design of Everyday Things chairs are for sitting table for placing things on knobs are for turning buttons are for pressing slots are for inserting handles are for turning computer for… switch for toggling](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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User Research on a Shoestring
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Interaction-design-basic.pptx
This document discusses interaction design basics and principles. It covers the following key points:
- The interaction design process includes requirements analysis, design, prototyping, implementation, and deployment. It emphasizes putting the user first through understanding users and involving them.
- Design involves achieving goals within constraints. Scenarios are used to understand how users will interact with designs. Navigation design considers screen structure, application flow, and moving between systems.
- Effective design understands both users and materials. The focus should remain on the user throughout the process. Iterative prototyping allows gathering feedback to improve designs.
Lecture1.ppt
The document provides an introduction to a course on Human Computer Interaction (HCI). It lists two recommended textbooks and other references on the topic. The lecture contents are outlined, covering an introduction to HCI and interaction design, usability terminology, why HCI is important, HCI tools, and an HCI map. Grading criteria for the course are also mentioned, based mostly on exams but also quizzes and assignments. Several discussion questions are posed to students about computer usage and good design. Examples of poor user interfaces are presented to illustrate usability issues. Finally, key topics in HCI like input/output devices, dialogue techniques, application areas, ergonomics, and evaluation methods are mapped out.
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Decoding design(ers) tinkerform
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www.tinkerform.com
Understanding the Touch Interface [IndicThreads Mobile Application Developmen...
Session Presented at 1st IndicThreads.com Conference On Mobile Application Development held on 19-20 November 2010 in Pune, India
WEB: http://M10.IndicThreads.com
------------
Speaker: Navin Kabra
Abstract:
With the advent of the iPhone and Android, more and more mobile with touch screens are hitting the market. In spite of superficial similarities, designing an app for a touch based interface is very different from designing an app for a keypad/keyboard/stylus/mouse based interface. Just porting an older app to the touch with minimal design changes is a recipe for disaster.
This talk will cover:
1. Why touch is so important?
2. Which old techniques don’t work well ?
3. Which new techniques can be used ?
4. Common mistakes to watch out for
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WORKSHOP: Making the World Easier with Interaction Design
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Understanding the Touch Interface [IndicThreads Mobile Application Developmen...
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Psychology
- 7. Perceived Affordances sliders for sliding dials for turning music console for controlling music
- 8. Perceived Affordance Problems are these buttons? is this equalizer control a toggle or button? button for pressing, but action unknown
- 9. Perceived Affordance Problems A button is for pressing, but what does it do? Is this a graphic or a control? text is for editing, but it doesn’t do it. Visual affordances for window controls are missing! IBM Real Phone
- 10. Perceived Affordance Problems IBM Real Phone
- 13. Which side do you use for cutting? Photograph courtesy of www.baddesigns.com
- 23. Mapping Problems Photograph courtesy of www.baddesigns.com Quick, open the top drawer Move cabinet Mapping: suggests it should open the drawer but doesn’t Affordance: handle is for pulling
- 24. Mapping Problems Photograph courtesy of www.baddesigns.com Mapping ambiguous Where do you plug in the mouse?
- 29. Transfer Effect Problems Photograph courtesy of www.baddesigns.com A Restaurant in Santa Barbara
- 36. Donald Norman Design of Everyday Things, Basic Books
- 37. Donald Norman Design of Everyday Things, Basic Books
- 41. Who do you design for?
- 42. Who do you design for?
- 44. Mean and 50th percentile