This presentation deals with different characteristics of Research Tools its validity, reliability, Usability and other essential features of a good research tool.
It refers to the collection of information on which judgment might be made about the worth and the effectiveness of a particular programme. It includes making those judgments so that decision might be made about the future of programme, whether to retain the program as it stand, modify it or throw it out altogether.
The document outlines the various roles of a teacher in guidance and counseling. The key roles include planning and organizing guidance services, assisting other staff, keeping student records, making referrals, and evaluating programs. Additional roles include integrating career education, serving as a positive human relations model, supporting the counseling program, acting as a trusted listener and advisor to students, making referrals to counselors, and identifying student talents.
Variables & Functions of Teaching शिक्षण के चर व कार्य.pptxDR KRISHAN KANT
The document discusses the variables and functions of teaching. It identifies the key variables in teaching as the teacher, student, textbooks/content, instructional methods, instructional aids, and classroom environment. These variables can be classified as independent, dependent, or intervening. The teacher acts as the independent variable, the student is the dependent variable, and the content/strategy of presentation are intervening variables. The main functions of teaching variables are diagnostic (identifying student needs), prescriptive (selecting appropriate content and methods), and evaluative (assessing outcomes). Together, the variables and their functions work to create an effective teaching and learning process.
This document discusses curriculum transaction, which involves effectively planning and implementing curriculum contents based on listed aims and objectives, and providing learning experiences for students. It involves clear planning, organization, implementation, review, teamwork, communication, time management, and understanding students. Curriculum transaction is based on factors like social philosophy, national needs, course structure, exams, government, human development theory, and committee recommendations. It requires active contributions from students, teachers, parents, administrators, and writers, and the intended curriculum is transformed through these interactions from its idealized design in actual classrooms.
Schedules_Tools of Assessment in EducationNikhil D
Schedule is a kind of assessment tool. it is used in many fields like research, education, interviews etc. Schedules are included in Education generally in the portion tools of evaluation and assessment
The document summarizes research on the gap between findings from educational research and government policies on teacher education in India. It outlines some key findings from research, including that teachers agree students should be actively involved in learning but differ on goals for student motivation versus intellectual engagement. However, government policies do not always incorporate research findings and instead consider them as just one input. The document also reviews India's legal framework and policies for teacher education over time.
Formative and summative evaluation in EducationSuresh Babu
- Formative evaluation occurs during instructional development to provide feedback and improve quality, while summative evaluation occurs after instruction to assess learning outcomes.
- Formative evaluation aims to identify shortcomings and provide feedback for corrections, while summative evaluation judges the overall worth of a program.
- The goals of formative evaluation are to monitor student learning and improve teaching, while the goals of summative evaluation are to evaluate student learning against standards and benchmarks like final exams.
It refers to the collection of information on which judgment might be made about the worth and the effectiveness of a particular programme. It includes making those judgments so that decision might be made about the future of programme, whether to retain the program as it stand, modify it or throw it out altogether.
The document outlines the various roles of a teacher in guidance and counseling. The key roles include planning and organizing guidance services, assisting other staff, keeping student records, making referrals, and evaluating programs. Additional roles include integrating career education, serving as a positive human relations model, supporting the counseling program, acting as a trusted listener and advisor to students, making referrals to counselors, and identifying student talents.
Variables & Functions of Teaching शिक्षण के चर व कार्य.pptxDR KRISHAN KANT
The document discusses the variables and functions of teaching. It identifies the key variables in teaching as the teacher, student, textbooks/content, instructional methods, instructional aids, and classroom environment. These variables can be classified as independent, dependent, or intervening. The teacher acts as the independent variable, the student is the dependent variable, and the content/strategy of presentation are intervening variables. The main functions of teaching variables are diagnostic (identifying student needs), prescriptive (selecting appropriate content and methods), and evaluative (assessing outcomes). Together, the variables and their functions work to create an effective teaching and learning process.
This document discusses curriculum transaction, which involves effectively planning and implementing curriculum contents based on listed aims and objectives, and providing learning experiences for students. It involves clear planning, organization, implementation, review, teamwork, communication, time management, and understanding students. Curriculum transaction is based on factors like social philosophy, national needs, course structure, exams, government, human development theory, and committee recommendations. It requires active contributions from students, teachers, parents, administrators, and writers, and the intended curriculum is transformed through these interactions from its idealized design in actual classrooms.
Schedules_Tools of Assessment in EducationNikhil D
Schedule is a kind of assessment tool. it is used in many fields like research, education, interviews etc. Schedules are included in Education generally in the portion tools of evaluation and assessment
The document summarizes research on the gap between findings from educational research and government policies on teacher education in India. It outlines some key findings from research, including that teachers agree students should be actively involved in learning but differ on goals for student motivation versus intellectual engagement. However, government policies do not always incorporate research findings and instead consider them as just one input. The document also reviews India's legal framework and policies for teacher education over time.
Formative and summative evaluation in EducationSuresh Babu
- Formative evaluation occurs during instructional development to provide feedback and improve quality, while summative evaluation occurs after instruction to assess learning outcomes.
- Formative evaluation aims to identify shortcomings and provide feedback for corrections, while summative evaluation judges the overall worth of a program.
- The goals of formative evaluation are to monitor student learning and improve teaching, while the goals of summative evaluation are to evaluate student learning against standards and benchmarks like final exams.
Observation is a key method for studying child development and behavior. There are different types of observation including participant, non-participant, direct, and indirect. When observing, it is important to have a clear focus and document observations systematically using tools like observation guides, checklists, or field notes. Observations can provide insights into child behaviors, skills, interests, and development over time which helps teachers develop appropriate curriculum and support for children.
The document discusses achievement tests, which measure what students have learned after instruction. It defines achievement tests and lists their objectives, such as identifying reasons for testing and selecting appropriate tests. The document outlines the steps to construct an achievement test, including planning, designing a blueprint, writing test items, developing scoring methods, and analyzing questions. The blueprint guides test development by detailing the placement of objectives, content, and question formats. Achievement tests are an important tool for evaluating instructional progress and informing curriculum planning.
The document discusses continuous and comprehensive evaluation (CCE), which was mandated by the National Policy on Education in 1986. CCE aims to evaluate students in a holistic manner through regular assessment of both scholastic (academic) and co-scholastic (non-academic) areas in order to promote their overall development. It involves assessing students continuously using various tools and techniques, covering curricular and extracurricular activities. The objectives of CCE are to make evaluation part of the teaching-learning process and use it to improve student achievement through diagnosis and remediation.
This document discusses measurement and evaluation in education. It defines measurement as assigning numerals to objects or events according to rules, while evaluation is determining the extent to which educational objectives are being achieved. The objectives of measurement are to measure student progress, provide motivation, improve quality, and solve problems. Evaluation objectives are to provide information, check effectiveness, and validate hypotheses. Both measurement and evaluation are important for understanding students, checking progress, gathering information, and determining teacher efficiency. They help determine knowledge, values, and skills acquired.
The document discusses different modalities of teaching: conditioning, training, instruction, and indoctrination. It provides definitions and comparisons of each:
1) Conditioning is the lowest level and involves establishing automatic responses through reinforcement. It is not considered teaching.
2) Training focuses on developing skills through practice and is a higher level than conditioning. It can overlap with teaching when developing understanding.
3) Instruction imparts knowledge but only affects the cognitive domain, while teaching aims to develop the whole person. Instruction is part of teaching.
4) Indoctrination uncritically teaches a fixed set of beliefs through repetition without questioning. It aims to promote actions rather than independent thought, unlike educ
This presentation is about standardized achievement tests:
Definition of achievement tests
Definition of SAT
Functions of SAT
Types of SAT
Characteristics of SAT
SAT vs. Teacher made tests
Classification of SAT
SAT batteries
SAT in specific areas
Customized Achievement Tests
Individual Achievement Tests
This document discusses the role of various agencies in teacher education at the national and state level in India. At the national level, it outlines the objectives and functions of agencies like the National Council for Teacher Education (NCTE), National Council of Educational Research and Training (NCERT), University Grants Commission (UGC), Indian Council of Social Science Research (ICSSR), National Assessment and Accreditation Council (NAAC), and Rehabilitation Council of India (RCI). It provides details on what each agency does to regulate, fund, and support teacher education and training in the country.
This document discusses the concept of measurement in educational assessment. It defines measurement as assigning scores to represent traits or behaviors, and notes there are four scales of measurement - nominal, ordinal, interval, and ratio. Nominal involves categories while ordinal adds ordering, interval allows for differences between values to be measured and ratio has an absolute zero point. The document also outlines characteristics of measurement like it being a complex process without definite units. It discusses the importance of measurement for diagnosis, prediction, determining achievement, evaluation, classification and research.
Continuous and Comprehensive EvaluationGarimaBhati5
This document discusses Continuous and Comprehensive Evaluation (CCE), an assessment procedure introduced in India in 2009. CCE aims to reduce student workload and improve overall abilities through evaluating both scholastic and co-scholastic activities. It is meant to be a continuous process that regularly assesses various aspects of a student's learning and development. CCE covers cognitive, affective, and psychomotor domains using both testing and non-testing tools. The evaluation includes scholastic areas like subjects as well as co-scholastic areas like life skills, attitudes, and values. CCE seeks to create well-rounded citizens by developing students' various abilities and reducing exam-related stress and anxiety.
Personal guidance aims to help individuals with problems relating to health, emotional adjustment, social adjustment, and leisure activities. It involves understanding oneself, developing good habits and attitudes, solving life problems, and becoming a well-adjusted member of society. Personal guidance is needed at different stages of education to assist students with developmentally appropriate issues. In primary school, it focuses on social skills and self-expression. In secondary school, it addresses challenges of adolescence like adjustment, self-consciousness, and identity development. At the university level, it promotes social responsibility and independent decision-making. Effective personal guidance involves collecting student information, diagnosing problems, considering remedies, providing assistance, and follow-up support.
It is a study of National University of Educational Planing and Administration. This paper consist of NUEPA's mission, vision, objective, function, and the work it has done. It is a collaborative work of G. Ghaus, A. Panchal, M. Mumtaz A., S. Maan, Luqman Ali, Satyam Chandan and Tauheed Ahmad. All are students of M.Ed. (2015-17) Department of Educational Studies, Jmaia Millia Islamia, New Delhi.
This paper will help those who want to study about NUEPA.
The document discusses curriculum transaction and modes of curriculum transaction. It defines curriculum transaction as the effective implementation of curriculum contents based on the objectives. There are two main modes of curriculum transaction: face-to-face and distance. Face-to-face involves direct interaction between teachers and learners through lectures, discussions, etc. Distance mode does not involve direct contact and uses mediums like print, audio, video for instruction. Recently, interactive television and online platforms like Zoom, Google Meet, and YouTube Live have also been used for curriculum transaction during the COVID-19 pandemic.
Observation is a method of collecting data without using instruments by actively acquiring information through the senses. There are different types of observation including controlled, non-controlled, participant, non-participant, formal, and informal. Observation has merits such as being a flexible method that can produce both qualitative and quantitative data on individuals and groups. However, it also has limitations such as being labor intensive, difficult to get trained observers, and inability to establish causal relationships or study past behavior.
This document discusses three levels of teaching: memory, understanding, and reflective.
The memory level focuses on rote memorization of facts with little student thinking. Understanding level goes beyond memorization to help students comprehend relationships between facts and principles. Students can generalize rules and apply knowledge.
The reflective level, not discussed in detail, is the most thoughtful level. It involves critically analyzing, evaluating, and creating new ideas. Psychological theories like conditioning and connectionism influence the different levels. Each level has strengths and weaknesses for student learning.
Assessment Approaches: Quantitative and Qualitative AssessmentKiranMalik37
This document discusses quantitative and qualitative assessment approaches. Quantitative assessment expresses learning outcomes in numerical form using tools like tests. It is objective, easy to administer and summarize but does not provide rich details. Qualitative assessment collects non-numerical data using methods like interviews and observations. It provides more in-depth descriptions of students' thoughts and experiences, but takes more time and is more subjective. Both approaches have advantages and disadvantages for assessing student learning.
The document discusses validity and reliability of measuring instruments. It defines key terms like measurement, instruments, reliability and validity. There are different types of reliability including test-retest, parallel forms, inter-rater and internal consistency reliability. Validity refers to how well a test measures what it aims to measure. There are different types of validity like face validity and construct validity. Developing valid and reliable questionnaires involves assessing validity and reliability, considering different approaches to validity, and developing questionnaires through various steps.
Validity and Reliability - Research Instrument.docxArkinWinchester
The document discusses important considerations for developing a valid and reliable research instrument. It outlines that a good instrument should accurately measure what it intends to, have consistency in results, be practical to administer and score, and be cost-effective. It also describes different types of validity including construct validity, content validity, face validity, and criterion validity. The document further explains reliability can be measured through internal consistency, test-retest analysis, inter-rater reliability, and parallel forms reliability to ensure an instrument consistently provides the same results over time.
Observation is a key method for studying child development and behavior. There are different types of observation including participant, non-participant, direct, and indirect. When observing, it is important to have a clear focus and document observations systematically using tools like observation guides, checklists, or field notes. Observations can provide insights into child behaviors, skills, interests, and development over time which helps teachers develop appropriate curriculum and support for children.
The document discusses achievement tests, which measure what students have learned after instruction. It defines achievement tests and lists their objectives, such as identifying reasons for testing and selecting appropriate tests. The document outlines the steps to construct an achievement test, including planning, designing a blueprint, writing test items, developing scoring methods, and analyzing questions. The blueprint guides test development by detailing the placement of objectives, content, and question formats. Achievement tests are an important tool for evaluating instructional progress and informing curriculum planning.
The document discusses continuous and comprehensive evaluation (CCE), which was mandated by the National Policy on Education in 1986. CCE aims to evaluate students in a holistic manner through regular assessment of both scholastic (academic) and co-scholastic (non-academic) areas in order to promote their overall development. It involves assessing students continuously using various tools and techniques, covering curricular and extracurricular activities. The objectives of CCE are to make evaluation part of the teaching-learning process and use it to improve student achievement through diagnosis and remediation.
This document discusses measurement and evaluation in education. It defines measurement as assigning numerals to objects or events according to rules, while evaluation is determining the extent to which educational objectives are being achieved. The objectives of measurement are to measure student progress, provide motivation, improve quality, and solve problems. Evaluation objectives are to provide information, check effectiveness, and validate hypotheses. Both measurement and evaluation are important for understanding students, checking progress, gathering information, and determining teacher efficiency. They help determine knowledge, values, and skills acquired.
The document discusses different modalities of teaching: conditioning, training, instruction, and indoctrination. It provides definitions and comparisons of each:
1) Conditioning is the lowest level and involves establishing automatic responses through reinforcement. It is not considered teaching.
2) Training focuses on developing skills through practice and is a higher level than conditioning. It can overlap with teaching when developing understanding.
3) Instruction imparts knowledge but only affects the cognitive domain, while teaching aims to develop the whole person. Instruction is part of teaching.
4) Indoctrination uncritically teaches a fixed set of beliefs through repetition without questioning. It aims to promote actions rather than independent thought, unlike educ
This presentation is about standardized achievement tests:
Definition of achievement tests
Definition of SAT
Functions of SAT
Types of SAT
Characteristics of SAT
SAT vs. Teacher made tests
Classification of SAT
SAT batteries
SAT in specific areas
Customized Achievement Tests
Individual Achievement Tests
This document discusses the role of various agencies in teacher education at the national and state level in India. At the national level, it outlines the objectives and functions of agencies like the National Council for Teacher Education (NCTE), National Council of Educational Research and Training (NCERT), University Grants Commission (UGC), Indian Council of Social Science Research (ICSSR), National Assessment and Accreditation Council (NAAC), and Rehabilitation Council of India (RCI). It provides details on what each agency does to regulate, fund, and support teacher education and training in the country.
This document discusses the concept of measurement in educational assessment. It defines measurement as assigning scores to represent traits or behaviors, and notes there are four scales of measurement - nominal, ordinal, interval, and ratio. Nominal involves categories while ordinal adds ordering, interval allows for differences between values to be measured and ratio has an absolute zero point. The document also outlines characteristics of measurement like it being a complex process without definite units. It discusses the importance of measurement for diagnosis, prediction, determining achievement, evaluation, classification and research.
Continuous and Comprehensive EvaluationGarimaBhati5
This document discusses Continuous and Comprehensive Evaluation (CCE), an assessment procedure introduced in India in 2009. CCE aims to reduce student workload and improve overall abilities through evaluating both scholastic and co-scholastic activities. It is meant to be a continuous process that regularly assesses various aspects of a student's learning and development. CCE covers cognitive, affective, and psychomotor domains using both testing and non-testing tools. The evaluation includes scholastic areas like subjects as well as co-scholastic areas like life skills, attitudes, and values. CCE seeks to create well-rounded citizens by developing students' various abilities and reducing exam-related stress and anxiety.
Personal guidance aims to help individuals with problems relating to health, emotional adjustment, social adjustment, and leisure activities. It involves understanding oneself, developing good habits and attitudes, solving life problems, and becoming a well-adjusted member of society. Personal guidance is needed at different stages of education to assist students with developmentally appropriate issues. In primary school, it focuses on social skills and self-expression. In secondary school, it addresses challenges of adolescence like adjustment, self-consciousness, and identity development. At the university level, it promotes social responsibility and independent decision-making. Effective personal guidance involves collecting student information, diagnosing problems, considering remedies, providing assistance, and follow-up support.
It is a study of National University of Educational Planing and Administration. This paper consist of NUEPA's mission, vision, objective, function, and the work it has done. It is a collaborative work of G. Ghaus, A. Panchal, M. Mumtaz A., S. Maan, Luqman Ali, Satyam Chandan and Tauheed Ahmad. All are students of M.Ed. (2015-17) Department of Educational Studies, Jmaia Millia Islamia, New Delhi.
This paper will help those who want to study about NUEPA.
The document discusses curriculum transaction and modes of curriculum transaction. It defines curriculum transaction as the effective implementation of curriculum contents based on the objectives. There are two main modes of curriculum transaction: face-to-face and distance. Face-to-face involves direct interaction between teachers and learners through lectures, discussions, etc. Distance mode does not involve direct contact and uses mediums like print, audio, video for instruction. Recently, interactive television and online platforms like Zoom, Google Meet, and YouTube Live have also been used for curriculum transaction during the COVID-19 pandemic.
Observation is a method of collecting data without using instruments by actively acquiring information through the senses. There are different types of observation including controlled, non-controlled, participant, non-participant, formal, and informal. Observation has merits such as being a flexible method that can produce both qualitative and quantitative data on individuals and groups. However, it also has limitations such as being labor intensive, difficult to get trained observers, and inability to establish causal relationships or study past behavior.
This document discusses three levels of teaching: memory, understanding, and reflective.
The memory level focuses on rote memorization of facts with little student thinking. Understanding level goes beyond memorization to help students comprehend relationships between facts and principles. Students can generalize rules and apply knowledge.
The reflective level, not discussed in detail, is the most thoughtful level. It involves critically analyzing, evaluating, and creating new ideas. Psychological theories like conditioning and connectionism influence the different levels. Each level has strengths and weaknesses for student learning.
Assessment Approaches: Quantitative and Qualitative AssessmentKiranMalik37
This document discusses quantitative and qualitative assessment approaches. Quantitative assessment expresses learning outcomes in numerical form using tools like tests. It is objective, easy to administer and summarize but does not provide rich details. Qualitative assessment collects non-numerical data using methods like interviews and observations. It provides more in-depth descriptions of students' thoughts and experiences, but takes more time and is more subjective. Both approaches have advantages and disadvantages for assessing student learning.
The document discusses validity and reliability of measuring instruments. It defines key terms like measurement, instruments, reliability and validity. There are different types of reliability including test-retest, parallel forms, inter-rater and internal consistency reliability. Validity refers to how well a test measures what it aims to measure. There are different types of validity like face validity and construct validity. Developing valid and reliable questionnaires involves assessing validity and reliability, considering different approaches to validity, and developing questionnaires through various steps.
Validity and Reliability - Research Instrument.docxArkinWinchester
The document discusses important considerations for developing a valid and reliable research instrument. It outlines that a good instrument should accurately measure what it intends to, have consistency in results, be practical to administer and score, and be cost-effective. It also describes different types of validity including construct validity, content validity, face validity, and criterion validity. The document further explains reliability can be measured through internal consistency, test-retest analysis, inter-rater reliability, and parallel forms reliability to ensure an instrument consistently provides the same results over time.
This document discusses the concepts of validity and reliability in research. It defines validity as the appropriateness and correctness of inferences made by a researcher, and reliability as the consistency of scores or answers. There are three main types of validity evidence: content, criterion, and construct validity. Content validity refers to the appropriateness of an instrument's content and format. Criterion validity compares an instrument's scores to another measure. Construct validity examines how well a measure explains differences in behavior. Reliability is obtained through test-retest, equivalent forms, and internal consistency methods. While validity and reliability are important in quantitative research, qualitative researchers emphasize a researcher's honesty and expertise.
Data Collection Tools: Validity & Reliability.
Objectives:
Discuss types of measurement tools for collecting data for quantitative, qualitative and outcome research.
Differentiate between interview guide and interview schedule
Discuss reliability and validity of questionnaires.
Data:
The set of values collected for the variable of each of the elements belonging to the sample
Data sources include (Quantitative)
Surveys where there are a large number of respondents (esp where you have used a Likert scale)
Questionnaires, data collection tools/ instruments
Observations (counts of numbers and/or coding data into numbers)
Secondary data (government data; SATs scores etc)
Analysis techniques include hypothesis testing, correlations and cluster analysis.
Data sources include (Qualitative)
Interviews (structured, semi-structured or unstructured)
Focus groups
Questionnaires or surveys
Secondary data, including diaries, self-reporting, written accounts of past events/archive data and company reports;
Direct observations – may also be recorded (video/audio)
Ethnography
Data analysis; thematic or content analysis .
Data Collection:
“The process of gathering and measuring information on variables of interest, in an established systematic fashion that enables one to answer queries, stated research questions, test hypotheses, and evaluate outcomes.”
Data Collection Methods:
Surveys, quizzes, and questionnaires
Interviews
Focus groups
Direct observations
Documents and records.
Data Collection Tools for Quantitative Research:
Closed-ended Surveys and Online Quizzes
Closed-ended surveys and online quizzes are based on questions that give respondents predefined answer options to opt for. There are two main types of closed-ended surveys – those based on categorical and those based on interval/ratio questions.
Categorical survey questions can be further classified into dichotomous (‘yes/no’), multiple-choice questions, or checkbox questions and can be answered with a simple “yes” or “no” or a specific piece of predefined information.
Interval/ratio questions, on the other hand, can consist of rating-scale, Likert-scale, or matrix questions and involve a set of predefined values to choose from on a fixed scale.
Data Collection Tools for Qualitative Research:
1. Open-Ended Surveys and Questionnaires
Opposite to closed-ended are open-ended surveys and questionnaires. The main difference between the two is the fact that closed-ended surveys offer predefined answer options the respondent must choose from, whereas open-ended surveys allow the respondents much more freedom and flexibility when providing their answers.
2. In-depth Interviews/ Face to Face Interviews
One-on-one (or face-to-face) interviews are one of the most common types of data collection methods in qualitative research. Here, the interviewer collects data directly from the interviewee.
This document discusses validity and reliability in quantitative and qualitative research. It defines validity as the degree to which a study measures what it intends to measure. There are different types of validity including internal, external, content, construct, and criterion-related validity. Reliability in quantitative research refers to the consistency of measurement and is assessed through test-retest and internal consistency methods. Reliability in qualitative research means the accuracy and comprehensiveness of what researchers record occurring in the natural setting. The document also discusses ensuring validity through proper research design, data gathering, and analysis stages.
This document discusses validity, reliability, and feasibility in data collection. Validity refers to how well a test measures what it intends to measure and includes content, construct, and criterion-related validity. Reliability is the consistency of results and includes test-retest, parallel forms, and split-half reliability. Factors like time interval, test conditions, length, and difficulty influence reliability. A test must be both valid and reliable. Feasibility refers to practical aspects like how easy a test is to design, administer, score, and interpret results.
1. Research instruments are required in research to systematically collect and measure data relevant to the research problem or questions.
2. The key qualities of a good research instrument are validity, reliability, and usability. Validity ensures an instrument measures what it intends to measure. Reliability means an instrument produces consistent results. Usability means an instrument can be used practically.
3. Common types of instruments include questionnaires, interviews, checklists, tests, and observations. Quantitative instruments like questionnaires use closed-form questions while qualitative instruments like interviews use open-form questions. Standardized tests are published and validated over time while researcher-made tools require validation.
This document discusses research instruments and methods for collecting data. It defines research instruments as tools used to collect data, such as questionnaires or scales. It describes several common data collection techniques including observation, surveys, interviews, and focus groups. It also discusses documentary analysis and analyzing public records, personal documents, and physical evidence. The document outlines what an interview schedule is and different types of interviews. It covers the concepts of validity, describing several types of validity like face validity and construct validity. Finally, it defines reliability and discusses types of reliability including test-retest reliability, parallel forms reliability, inter-rater reliability, and internal consistency reliability.
1. The document discusses the process of preparing quantitative data for analysis, which includes editing data, handling blank responses, coding responses, categorizing variables, and entering data into software for analysis.
2. It then discusses objectives and methods for analyzing the data, including getting a feel for the data through descriptive statistics, testing the reliability and validity of measures, and testing hypotheses through appropriate statistical tests.
3. Finally, it recommends several software packages that can be used to facilitate data collection, entry, and analysis, and describes how expert systems can help choose the most appropriate statistical tests.
FOCUSING YOUR RESEARCH EFFORTS Planning Your Research ShainaBoling829
FOCUSING YOUR RESEARCH
EFFORTS
Planning Your Research Project Chapter Four
What is the Research Design?
The research design is the general strategy that
provides the overall structures for the procedures
used in the research project. It is the planning
guide.
The Basic Format of the Research
Design
The question
The question converted to a research problem
A temporary hypothesis
Literature search
Data collection
Organization of the data
Analysis of the data
Interpretation of the data
The data either support or do not support the
hypothesis
Planning vs. Methodology
The general approach
to planning research is
similar across all
disciplines
The strategies used to
collect and analyze
data may be specific
to a particular
academic discipline
Research Planning Research Methodology
General Criteria for a Research Project
Universality (can be carried out by any competent
researcher)
Replication
Control (important for replication)
Measurement
The Nature and Role of Data
Data (plural) ‘data are’
Data ARE NOT absolute reality
Data are transient and ever changing
Primary Data are closest to truth
No researcher can glimpse ABSOLUTE TRUTH
Criteria for the Admissibility of Data
Any research effort should be replicable
Restrictions we identify are the criteria for the
admissibility of data
Standardize the data
Planning for Data Collection
What data are needed?
Where is the data located?
How will data be obtained?
How will data be interpreted?
Defining Measurement
Measurement is limiting the data of any
phenomenon – substantial or insubstantial – so that
those data may be interpreted and ultimately
compared to a particular qualitative or quantitative
standard
Measurement is ultimately a comparison: a think or
concept measured against a point of limitation
Types of Measurement Scales
Nominal Scales
Ordinal Scales
Interval Scales
Ratio Scales
Nominal Scales
A nominal scale limits the data
Nominal measurement is simplistic, but it does divide
data into discrete categories that can be compared
to one another.
Only a few statistical procedures are appropriate
for analyzing nominal data (a) mode, (b)
percentage, and (c) chi-square test
Ordinal Scales
Ordinal scales allow us to rank-order data
In addition to using statistics we can use with
nominal data, we can also use statistical procedures
to determine (a) the median, (b) the percentile rank,
and (c) Spearman’s rank order correlation
Interval Scales
An interval scale is characterized by two features:
(a) it has equal units of measurement, and (b) its
zero point has been established arbitrarily
Interval scales allow statistical analyses that are not
possible with nominal and ordinal data
Because an interval scale reflects equal distances ...
This document describes quantitative research methods. It defines quantitative research as systematic empirical investigation of observable occurrences using statistical techniques. It lists the key characteristics of quantitative research as using structured instruments, large sample sizes, clearly defined questions, numerical/objective data, and generalizable results. Strengths are listed as large sample sizes, quick data collection, unbiased randomized samples, and replicable results. Weaknesses include not considering social meanings, high costs, lack of specific feedback, and difficulty gathering large samples. The main types of quantitative research designs are described as experimental, quasi-experimental, and non-experimental designs.
This document discusses establishing the validity and reliability of research instruments. It defines a research instrument as a tool to measure variables of interest, and validity as measuring what was intended. There are several types of validity discussed, including face validity, construct validity, criterion-related validity, and formative validity. Reliability is the consistency of measurements and several types are described, such as test-retest reliability, parallel forms reliability, inter-rater reliability, and internal consistency reliability. Examples are provided to illustrate each concept.
1) A cyber crime is a crime that involves a computer and the Inter.docxSONU61709
1) A cyber crime is a crime that involves a computer and the Internet. A forensics investigation involves gathering and preserving evidence in a way that is suitable for presentation in a court of law. Use the library to research any recent (within the past 12 months), real-world cyber crime. Discuss each of the following scenarios:
· What was the cyber crime? Who or what did the cyber crime affect?
· How did the cyber crime occur?
· In your opinion, how could the cyber crime have been avoided?
· How would you conduct the forensics investigation for this cyber crime?
Use and list at least 2 sources to support your response to the question. You may use the textbook as a resource. Be sure to use APA formatting for all references.
Responses to Other Students: Respond to at least 2 of your fellow classmates with at least a 100-word reply about their Primary Task Response regarding items you found to be compelling and enlightening. To help you with your discussion, please consider the following questions:
· What did you learn from your classmate's posting?
· What additional questions do you have after reading the posting?
· What clarification do you need regarding the posting?
· What differences or similarities do you see between your posting and other classmates' postings?
2) Antiforensic techniques make proper forensic investigations more difficult. Antiforensic techniques are deliberate and can reduce the quantity and quality of digital evidence. Antiforensic techniques can also be used to increase security. Use the library to research antiforensic techniques, and discuss the following:
· What are at least 3 examples of antiforensic techniques, and how are they used?
· Discuss how antiforensic techniques affect computer forensics, file recovery, and security.
Use and list at least 2 sources to support your response to the question. You may use the textbook as a resource. Be sure to use APA formatting for all references.
3) Review and reflect on the knowledge you have gained from this course. Based on your review and reflection, write at least 3 paragraphs on the following:
· What was the most valuable concept that you learned in this class that you will most likely use in your future career?
· What concept in this course provided the most insight to the technical aspects of computer forensics? Explain.
· The main post should include at least 1 reference to research sources, and all sources should be cited using APA format.
A Primer on the Validity of
Assessment Instruments Gail M. Sullivan, MD, MPH
1. What is reliability?1
Reliability refers to whether an assessment instrument gives
the same results each time it is used in the same setting with
the same type of subjects. Reliability essentially means
consistent or dependable results. Reliability is a part of the
assessment of validity.
2. What is validity?1
Validity in research refers to how accurately a study answers
the study question or the strength of the study c ...
This document discusses validity, reliability, and feasibility in data collection. It defines validity as the degree to which a test measures what it claims to measure. There are three types of validity: content, construct, and criterion-related validity. Reliability refers to a test's consistency and can be measured through test-retest, parallel forms, and split-half reliability. A test must be both valid and reliable. Feasibility considers the practical aspects of a test such as the time, effort, and cost required.
This article discusses validity and reliability in quantitative research. It defines validity as whether a measurement tool measures what it intends to measure, and reliability as the stability of measurements using the same tool under the same conditions. The article outlines different types of validity, noting that content and construct validity are most important. It also discusses how to increase reliability and threats to validity and reliability. The purpose is to provide researchers information on correctly evaluating the validity and reliability of scales used in empirical studies.
This article discusses validity and reliability in quantitative research. It defines validity as whether a measurement tool measures what it intends to measure, and reliability as the stability of measurements using the same tool under the same conditions. The article outlines different types of validity, noting that content and construct validity are most important. It also discusses how to increase reliability and threats to validity and reliability. The purpose is to provide researchers information on correctly evaluating the validity and reliability of scales used in empirical studies.
This document summarizes an article about validity and reliability in quantitative research. It defines validity as whether a measurement tool measures what it intends to measure, and reliability as the stability of measurements using the same tool under the same conditions. There are different types of validity discussed, including content validity and construct validity. Content validity assesses if a tool's items adequately represent the concept being measured, while construct validity concerns whether a tool distinguishes between those with and without the measured concept. The document also discusses reliability and various methods for establishing validity, such as expert reviews and factor analysis, to help researchers properly evaluate measurement tools.
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3. RESEARCH TOOLS
1
Research tools are instruments, techniques, or
resources that aid in the collection, analysis, and
interpretation of data or information for research
purposes.
Ex- Achievement Test, Rating Scale, Questionnaire
4. PURPOSE OF RESEARCH TOOL
2.1
Data Collection: Research tools can help collect
data through surveys, questionnaires,
interviews, observations, or experiments. For
example, survey software like SurveyMonkey or
data collection tools like lab equipment in
scientific research.
5. PURPOSE OF RESEARCH TOOL
2.2
Data Analysis: Tools assists us for collecting
data for data analysis and data interpretation
6. PURPOSE OF RESEARCH TOOL
2.3
Efficient Data Gathering: Research tools
streamline the data collection process, making
it more efficient and saving researchers time.
For example, online survey tools like
SurveyMonkey or Google Forms enable
researchers to collect responses from a large
number of participants quickly.
7. PURPOSE OF RESEARCH TOOL
2.4
Consistency: Research tools help maintain
consistency in data collection. They ensure that
all participants are exposed to the same
questions, stimuli, or conditions, reducing the
potential for bias in the data.
8. PURPOSE OF RESEARCH TOOL
2.5
Standardization: These tools allow researchers
to standardize data collection procedures,
which is particularly important in quantitative
research. Standardized procedures help ensure
that data is collected and recorded in a
consistent and replicable manner.
9. PURPOSE OF RESEARCH TOOL
2.6
Data Accuracy: Research tools can help
minimize human error in data collection.
Automated data collection tools reduce the
chances of transcription errors or
misinterpretation of responses.
10. PURPOSE OF RESEARCH TOOL
2.7
Data Validation: Many data collection tools have
built-in validation mechanisms to ensure the
data collected adheres to predefined criteria.
This can help identify and prevent outliers or
errors in the data.
11. PURPOSE OF RESEARCH TOOL
2.8
Data Security: Research tools often provide
data security features to protect sensitive
information. This is especially important when
dealing with personal or confidential data.
12. PURPOSE OF RESEARCH TOOL
2.9
Scalability: Research tools can be scalable to
accommodate varying sample sizes. Whether
you have a small group of participants or a
large dataset, these tools can adapt to your
needs.
13. PURPOSE OF RESEARCH TOOL
2.10
Remote Data Collection: In cases where
researchers cannot interact with participants
in person, such as during a pandemic or for
geographically dispersed populations,
research tools that support remote data
collection are invaluable.
14. PURPOSE OF RESEARCH TOOL
2.11
Data Storage and Management: Many data
collection tools offer options for data storage
and management, making it easier to organize
and access collected data throughout the
research process.
15. PURPOSE OF RESEARCH TOOL
2.12
Data Preprocessing: Some data collection
tools include features for preprocessing data,
such as cleaning, transforming, and
structuring data, which can be time-
consuming if done manually.
16. PURPOSE OF RESEARCH TOOL
2.13
Data Analysis Integration: Integration with
data analysis tools or software can simplify
the process of transferring data from data
collection to data analysis, enabling
researchers to work more efficiently.
17. PURPOSE OF RESEARCH TOOL
2.14
Data Documentation: Research tools often allow
researchers to add annotations or notes to the
collected data, providing context and
documentation for future reference.
18. PURPOSE OF RESEARCH TOOL
2.15
Data Export and Sharing: These tools typically
support data export in various formats, making it
easier to share data with collaborators or import it
into statistical analysis software.
19. CHARACTERSTICS OF A RESEARCH TOOL
3.1
Validity and Reliability: A good
research tool accurately measures what
it intends to measure, demonstrating
high validity, and consistently
produces reliable results under similar
conditions, enhancing the credibility of
the findings.
20. RELIABILITY
3.2
Tool reliability refers to the consistency and
stability of a research or measurement tool in
producing the same or similar results when used
repeatedly under the same conditions.
In research, various types of reliability are used to
assess the consistency and stability of research
tools. These types of reliability help researchers
determine the extent to which a tool produces
consistent results.
21. RELIABILITY
3.2.1
Test-Retest Reliability: This type assesses
the consistency of a research tool by
administering it to the same group of
participants on two separate occasions, with
a time interval in between. If the tool is
reliable, it should yield similar results on
both occasions. Test-retest reliability is
commonly used in fields like psychology and
education.
22. RELIABILITY
3.2.2
Inter-Rater Reliability: This type is relevant
when multiple observers or raters are
involved in data collection. It measures the
extent to which different raters or observers
agree on their judgments or assessments.
For example, in qualitative research, inter-
rater reliability ensures that different coders
interpret and code data consistently.
23. RELIABILITY
3.2.3
Parallel Forms/Alternate-Forms Reliability:
Also known as equivalent forms reliability,
this assesses the consistency of different
versions of a research tool that is intended
to measure the same construct. The two
forms should yield similar results. Parallel
forms reliability is often used in educational
testing.
24. RELIABILITY
3.2.4
Split-Half Reliability: This type of reliability
involves dividing a research tool into two
halves and assessing the consistency of
scores between the halves. The Spearman-
Brown formula is often used to correct the
correlation coefficient for the shortened
test. This is common in the assessment of
multi-item scales and questionnaires.
25. RELIABILITY
3.2.5
Internal Consistency Reliability: Internal
consistency reliability examines the degree
to which different items within the same
research tool measure the same underlying
construct. There are several methods to
assess internal consistency, including
Cronbach's alpha, KR-20, and McDonald's
omega.
26. RELIABILITY
3.2.6
Item-Total Correlation: This is a measure of
internal consistency that assesses how well
individual items within a research tool
correlate with the total score. High item-
total correlations indicate that the items are
consistent in measuring the same construct.
27. RELIABILITY
3.2.7
Intra-Item Consistency: In cases where a
single item is used to measure a construct,
intra-item consistency checks how
consistently participants respond to the
item over time. This is relevant for tools with
a single question or item.
28. VALIDITY
3.3
Validity in the context of research tools
refers to the extent to which a tool
measures what it is intended to measure.
It assesses whether the tool is accurate
and appropriate for the research's
objectives. There are several types of
validity that researchers needs to
consider.
29. VALIDITY
3.3.1
Content Validity: This type of validity
ensures that the research tool adequately
covers all aspects of the construct it aims
to measure. Content validity is often
assessed by expert judgment, examining
whether the items or questions in the
tool represent the full range of the
construct.
30. VALIDITY
3.3.2 Concurrent Validity: It assesses the degree to which
the tool's results correlate with those of an
established, similar tool administered at the same
time. For example, a new IQ test's results should be
concurrent with a well-established IQ test.
Predictive Validity: This type examines whether
the tool's results can predict future outcomes.
For instance, a college admissions test should
predict students' academic performance in
college.
Criterion-Related Validity:
31. VALIDITY
3.3.3
Construct Validity: This is a broad type of validity
that assesses whether a research tool measures
the underlying construct it claims to measure.
Construct validity is often established through a
series of tests, including convergent validity
(demonstrating that the tool correlates with
other measures of the same construct) and
discriminant validity (demonstrating that the
tool does not correlate strongly with measures of
unrelated constructs).
32. VALIDITY
3.3.4 Face Validity: While not a rigorous form
of validity, face validity assesses
whether the research tool appears, on
the surface, to measure the intended
construct. It is a subjective judgment,
often used in questionnaire design to
ensure that items seem relevant and
logical to participants.
33. VALIDITY
3.3.5
Ecological Validity: This type of validity
is relevant in experimental research,
particularly in psychology, and concerns
whether the findings from a controlled
experimental environment can be
generalized to real-world situations.
34. VALIDITY
3.3.6
Incremental Validity: It assesses
whether the research tool adds
meaningful and unique information to
what is already known. In other words,
does the tool provide insights that other
tools or methods cannot?
35. COST-EFFECTIVENESS AND
EFFICIENCY
3.4
The tool should provide a good balance
between cost and effectiveness,
ensuring that the resources invested in
the research tool are justified by the
quality and reliability of the results it
yields.
36. DOCUMENTATION AND
REPLICABILITY
3.5
Comprehensive documentation is necessary to
ensure that the research tool's procedures and
protocols are well-documented and easily
replicable by other researchers, fostering
transparency and reproducibility in the research
process.
37. ADAPTABILITY AND FLEXIBILITY
3.6
It should be adaptable to different research
contexts and flexible enough to accommodate
modifications or adjustments based on specific
research requirements, allowing researchers to
customize the tool as needed.
38. ETHICAL CONSIDERATIONS AND
COMPLIANCE
3.7
The tool should adhere to ethical guidelines,
respecting the rights and privacy of participants,
and it should comply with relevant legal and
regulatory requirements, ensuring the ethical
integrity of the research process.
39. EASE OF USE AND ACCESSIBILITY
3.8
A good research tool should be user-friendly,
making it easy for researchers to apply, and it
should be accessible to a wide range of users,
ensuring inclusivity in the research process.
40. OBJECTIVITY
3.8
It should be as unbiased as possible, reducing
the influence of subjective judgment and
personal interpretation, thereby promoting
objectivity in data collection and analysis.
41. SENSITIVITY AND SPECIFICITY
3.9
Sensitivity refers to the ability of the tool to
correctly identify the presence of a particular
phenomenon, while specificity refers to its
ability to correctly identify the absence of that
phenomenon. A good research tool balances
these two aspects effectively.
42. STANDARDIZATION AND
CONSISTENCY
3.10
The tool should maintain a standardized
approach across different contexts and ensure
consistency in data collection and analysis,
allowing for reliable comparisons and
interpretations.
43. PRECISION AND ACCURACY
3.11
The tool should be precise and accurate,
minimizing errors and uncertainties in data
collection, ensuring that the results are as close
to the truth as possible.