FAQ                             Click here for typos found in Stevens (2007)


Q1. How is Cohenís d^ related to the effect size f^?

A1.  In the two-group case, you can convert d^ to f^ by using simple algebra.  The following document shows algebra.  Also attached here is an Excel program that performs the conversion for you.

Converting d to f.pdf

Converting d to f.xls


Q2. What are “Total” and “Correct Total” in the two-way ANOVA table in SPSS?

A2. Please see this link.