A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition.How many participants are needed for the entire study?
A)5
B)10
C)25
D)30

Question

A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition.How many participants are needed for the entire study?​
A)​5
B)​10
C)​25
D)​30

Quizplus · Accepted Answer

The study has 2 levels of factor A and 3 levels of factor B, creating 2 x 3 = 6 different treatment conditions. With n = 5 participants in each condition, the total number of participants needed is 6 x 5 = 30.

A Two-Factor Study with Two Levels of Factor a and Three