Reporting and Interpreting Effect Sizes, with a Smattering of Discussion of Confidence Intervals for Effect Sizes
Friday, May 22, 2009,
9:00 AM - 10:50 AM
Nob Hill C - D
Various professional associations (e.g., the 2006 AERA Standards, the 1999 report of the APA Task Force on Statistical Inference) and editorial boards (e.g., MECD in 1988, EPM in 1994) increasingly have emphasized the importance of reporting and interpreting effect sizes. And some useful books (e.g., Grissom & Kim's Effect Sizes: A Broad Practical Approach) have been published to guide practicing scholars. This workshop will build on these contributions and review the dozens of effect size choices, make some reporting and interpretation recommendations, and briefly introduce the iterative estimation of confidence intervals for effect sizes.