What is the main advantage of using a factorial design instead of doing separate studies of each variable?
A)Speed: with a factorial design you are able to carry out a study at twice the speed of other designs.
B)Effect size: with a factorial design you can increase the effect size by a factor of 2-4.
C)Efficiency: with a factorial design you study both variables at once without needing twice as many participants.
D)Both A and B.

Question

Quizplus · Accepted Answer

Factorial designs allow for the efficient testing of multiple variables simultaneously without requiring a significantly larger sample size. This saves time, resources and minimises the chances of participant attrition, making it the most efficient choice.

What Is the Main Advantage of Using a Factorial Design