How many participants would be required for a completely randomized 4 *5 between-subjects design with three observations per cell?
A)18
B)20
C)27
D)60

Question

Quizplus · Accepted Answer

A completely randomized 4x5 between-subjects design means there are 4 levels of one factor and 5 levels of another factor, making 20 combinations or cells. With three observations per cell, you would need 20 cells x 3 observations = 60 participants.

How Many Participants Would Be Required for a Completely Randomized