G*Power for Moderation Analysis

How to calculate the sample size for a moderation analysis using the free programm G*Power.

Arndt Regorz, Dipl. Kfm. & M.Sc. Psychologie, 22/03/2022

One of the first steps for a moderation analysis is calculating what sample size you need in order to find an effect of the magnitude you are expecting. This tutorial shows you how to use G*Power to calculate the sample size for a moderation analysis.

Video tutorial