G*Power for PROCESS Model 2 (two moderators)
How to calculate the sample size for a moderation analysis with PROCESS model 2 using the free programm G*Power.
Arndt Regorz, Dipl. Kfm. & M.Sc. Psychologie, 13/12/2022
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 with 2 moderators, each partially moderating the effect.
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