G*Power (Mac Intel) 3.0.4

G*Power is a statistical power analysis program. It covers many different statistical tests of the F, t, chi-square, and z test families as well as some exact tests. G*Power provides improved effect size calculators and graphics options, it supports both a distribution-based and a design-based input mode, and it offers five different types of power analysis. Version 3.0.4 is a bug fixing release.