What is the most important reason for using a 2 x 2 factorial design instead of two separate experiments with one independent variable in each?
A) To test for main effects
B) To test for interaction
C) To use resources effectively
D) There is no good reason; separate experiments would be preferred.

Question

Quizplus · Accepted Answer

A 2 x 2 factorial design allows for testing not only the main effects of each independent variable, but also the interaction effect between the two independent variables. This provides a more comprehensive understanding of the variables' effects and their relationship to each other. It also allows for more efficient use of resources as conducting two separate experiments would require twice the resources.

What Is the Most Important Reason for Using a 2