EDUR 8331
Applied Measurement

Topic: Reliability

1. Start Here: Summary Presentations

• Document: Summary Review of Reliability (Video: 6a part 1 and 6a part 2) - this material borrowed from my Introduction to Research course
• Document: Test-retest and Parallel Forms Reliability (with SPSS examples) (Video: Test-retest and Parallel Forms Reliability 63 minutes)
  • JASP video: Test-retest and Parallel Forms Reliability, and Computing Composite Scores (for ICC be sure to use option "the same set of randomly selected raters/tests")
• Document: Internal Consistency and Item Analysis (with SPSS examples) (Video: Internal Consistency and Item Analysis 71 minutes)
  • JASP video: Internal Consistency and Item Analysis

2. Readings

• No readings required given the detail of my presentations and videos
• If you would like additional readings, below are supplemental presentations
  • Van Blerkom, Chapter 4 Reliability (general introduction to reliability)
  • Fraenkel et al Chapter 8 Validity and Reliability (general introduction to both validity and reliability)
  • 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

  3. Non-graded Activity

• Internal Consistency