G Power for Mac

G * Power 3 is a statistical power evaluation program. It covers many various analytical examinations of the F, t, chi-square, and also z examination households as well as some precise tests. G * Power 3 offers enhanced result size calculators as well as graphics alternatives, it sustains both a distribution-based as well as a design-based input mode, and also it provides 5 different sorts of power analyses. G * Power 3 is cost-free.