In a two-factor research design, if one independent variable has 4 levels and the other has 3 levels, what is the total number of combinations?
A) 12
B) 7
C) 4
D) 3

Question

Quizplus · Accepted Answer

To find the total number of combinations, we multiply the number of levels for each independent variable. 
4 (levels of IV1) x 3 (levels of IV2) = 12 possible combinations. Therefore, the correct answer is A) 12.

In a Two-Factor Research Design, If One Independent Variable Has