8/13

Note - chat dates differ from week-start dates located on the left. Optional chats will occur Thursday each week.

1. Syllabus

2. Course Content Overview

3. Topics and readings for weeks 1 and 2

a. Measurement: Van Blerkom, Chapter 1 Introduction to Measurement

b. Variables, Graphical Displays, and Descriptive Statistics:

* Van Blerkom,

- Chapter 18 The Language and Logic of Statistics
- Chapter 19 Frequency Distributions and Graphs
- Chapter 20 Central Tendency: What is a Typical Score?
- Chapter 21 Variability: How Spread Out Are the Scores?

* Additional material from EDUR 8131 Introduction to Educational Statistics: Basics Review

c. Pearson Correlation:

* Van Blerkom, Chapter 22 Correlation

* Additional material from EDUR 8131 Introduction to Educational Statistics: Correlation

d. Two-group t-test:

* Van Blerkom, t-test not covered by text

* Material from EDUR 8131 Introduction to Educational Statistics: t-test

e. SPSS introduction:

 * See presentation video below for SPSS basics with descriptive statistics, graphical displays, correlation, and t-test.

* Material from EDUR 8131 Introduction to Educational Statistics: SPSS Tutorials

4. Presentation

a. Notes:

* Course Overview, Measurement, and Variables

* Basic Statistical Concepts and SPSS

* Pearson Correlation and SPSS

* Two-group t-test

b. Video:

* Overview, Measurement, and Variables (48 minutes)

* Basic Statstics Concepts and SPSS (39 minutes)

* Pearson Correlation and SPSS (21 minutes)

* Two-group t-test (to be added)

5. Non-graded Activity - complete if you need practice with correlation and t-test. Perform analyses of data found below to ensure your findings match those provided in the answers.

• Correlation (answers)
• One and Two Samples t-test (answers; work only with items 1 and 4; items 2 and 3 are one-sample t-test)

8/20

1. Topics and readings: same as week 1

2. Presentation: same as week 1 

1. Topic and readings for week 3: Reliability

* Van Blerkom, Chapter 3 (my apologies, this should have been Chapter 4 Reliability)

* Conceptual Introduction to Reliability (from EDUR 7130 Introduction to Educational Research)

* Tavakol and Dennick (2011). Making Sense of Cronbach's Alpha, International Journal of Medical Education.

* Gliem and Gliem (2003). Calculating, Interpreting, and Repoting Cronbach's Alpha Reliability Coefficient for Likert-Type Scales .

* Koo and Li (2016). A Guideline for Selecting and Reporting Intraclass Correlation Coefficients for Reliabiloty Research. Journal of Chiropractic Medicine, 15, 155-163 (This publication is statistical in nature; read it for conceptual understanding and study Figure 1 to identify different types of ICC; the ICC will be explained in this week's presentation and video).

* Cronbach's Alpha with SPSS 

* Add examples from published studies and standardized tests.

2. Data for illustrations

Data: Employment Thoughts Merged Data

Leisure Activities Questionnaire: http://goo.gl/forms/JrMtZmVHF5

3. Presentation

a. Notes:

* Review of Reliability and Validity
* Test-retest and Parallel Forms Reliability

* Internal Consistency and Item Analysis

b. Video:

* Review of Reliability and Validity
* Test-retest and Parallel Forms Reliability (63 minutes)

* Internal Consistency and Item Analysis  (71 minutes)

4. Non-graded Activity: Internal Consistency

9/3

1.Topic and readings for week 4: Validity

a. Van Blerkom, Chapter 4 (my apologies, this should have been Chapter 5 Validity)

b. Current Views on Validity

* Brown, T. (2010) Construct Validity: A Unitary Concept for Occupational Therapy Assessment and Measurement. Hong Kong Journal of Occupational Therapy, 20, 30-42. Very good overview of traditional and current views of validity. Study Table 1 carefully.

* Cook, DA, & Beckman, TJ (2006). Current Concepts in Validity and Reliability for Psychometric Instruments: Theory and Applicaiton. The American Journal of Medicine, 119, 166.e7 - 166.e16. Anoher good review of traditional and current views of validity.

c. Validity Evidence Based Upon Content or Content Validity 

* Haynes, S.N., Richard, D.C.S., & Kubany, E.S. (1995). Content validity in psychological assessment: A functional approach to concepts and methods. Psychological Assessment, 7, 238-247. (See especially Content Validation Guidelines starting page 244.)

* Review Table 1, p. 35-36 in the Brown (2010) Construct Validity article linked above, with focus on "1. Test Content Evidence."

* Add Lawsche article on quantitative content validity

d. Validity Evidence Based Upon Internal Structure and Relation to Other Variables

* Review Table 1, p. 35-36 in the Brown (2010) Construct Validity article linked above; study the two subjects in Table 1 entitled "4. Internal Structure Evidence" and "5. Relations to Other Variables Evidence."

2. Example publications to showing various validity evidence as discussed by readings above.

a. Ragheb, M. G., & Beard, J. G. (1982). Measuring leisure attitude. Journal of Leisure Research, 14, 155-167.
b. Menon, S.T. (2001). Employee empowerment: An integrative psychological approach. Applied Psychology: An International Review, 50, 153-180.
c. Add standardized test validity assessment.

3. Data for illustrations

Data: Employment Thoughts Merged Data

Leisure Activities Questionnaire: http://goo.gl/forms/JrMtZmVHF5

4. Presentation

a. Notes: Validity Evidence  

b. Video: to be added

1. Topic and readings for week 5: Composite Scores, Reverse Scoring, and Questionnaires/Scales Selection

a. Composite Scores and Reverse Scoring - see presentation notes below
a. Questionnaires/Scales Selection - see presentation notes below

2. Presentation

a. Notes:

* Composite Scores and Reverse Scoring    
* Searching for Developed Questionnaires/Scales 

b. Video:

* Composite Scores and Reverse Scoring (50 minutes)

* Searching for Developed Questionnaire Scales (41 minutes) 

3. Non-graded Activity: Composite Scores