How many separate groups of participants would be needed for a between-subjects,two-factor study with three levels of factor A and four levels of factor B?
A)three
B)four
C)seven
D)twelve

Question

How many separate groups of participants would be needed for a between-subjects,two-factor study with three levels of factor A and four levels of factor B?
A)​three
B)​four
C)seven
D)​twelve

Quizplus · Accepted Answer

In a between-subjects design, each participant is assigned to only one group. The number of groups needed is calculated by multiplying the number of levels of factor A by the number of levels of factor B. Therefore, in this case, 3 x 4 = 12 groups are needed.

How Many Separate Groups of Participants Would Be Needed for a Between-Subjects,two-Factor