For a two-factor experiment with 2 levels of factor A and 3 levels of factor B and n = 10 subjects in each treatment condition, how many participants are in each level of factor B?
A)10
B)20
C)30
D)60

Question

Quizplus · Accepted Answer

There are 2 levels of factor A and 3 levels of factor B, with 10 subjects in each treatment condition. So, there are 2 x 3 x 10 = 60 participants in total. Since there are 3 levels of factor B, there are 60 / 3 = 20 participants in each level of factor B.

For a Two-Factor Experiment with 2 Levels of Factor a and 3