If you have a multigroup design with four groups, roughly what is the minimum number of participants you should have for reasonable power in your study?
A) 75
B) 100
C) 120
D) 220

Question

Quizplus · Accepted Answer

For a multigroup design with four groups, having at least 30 participants per group is generally recommended for reasonable power, totaling around 120 participants.

If You Have a Multigroup Design with Four Groups, Roughly