If you have a multigroup design with eight groups, what is the minimum number of participants you should have for reasonable power in your study?
A) 50
B) 150
C) 240
D) 600

Question

Quizplus · Accepted Answer

For a multigroup design, a general rule of thumb is to have at least 20-30 participants per group to achieve reasonable statistical power. With eight groups, this would mean needing at least 160-240 participants. Therefore, 240 is the minimum number that aligns with this guideline, ensuring adequate power for the study.

If You Have a Multigroup Design with Eight Groups, What