Factorial designs are useful because they
A) allow multiple independent variables.
B) build in extraneous variables.
C) examine interaction of variables.
D) All of these are true.

Question

Quizplus · Accepted Answer

Factorial designs do allow for multiple independent variables, and they also examine the interaction of those variables. They do not, however, build in extraneous variables. Therefore, choice D is the best answer.

Factorial Designs Are Useful Because They