Topic: Effect Sizes

1. Presentation and Video

 Effect Size - presentation under development

2. Readings

• Coe (2002) It's the effect size, stupid: What effect size is and why it is important (read this first for a general introduction to effect size d)

  • Visualization of Cohen's d:  Interpreting Cohen's d effect size: An interactive visualization  

• Lakens (2013) Calculating and reporting effect sizes to facilitate cumulative science: A practical primer for t-tests and ANOVAs (expands beyond effect size d)

3. Supplemental Readings

• Fritz, Morris, and Richler (2012) Effect Size Estimates: Current Use, Calculations, and Interpretation
• Richardson (1996) Measures of effect size
• Olejnik and Algina (2000) Measures of Effect Size for Comparative Studies: Applications, Interpretations, and Limitations
• Effect Size Equations
• Ialongo (2016) Understanding the effect size and its measures (table of formulas)