Dr.Gavin is conducting a 2 x 4 independent-groups factorial design.How many main effects will Dr.Gavin need to examine?
A) 1
B) 2
C) 3
D) 4
E) 6

Question

Quizplus · Accepted Answer

A 2 x 4 factorial design involves two independent variables, each with two and four levels respectively. Dr. Gavin will need to examine two main effects, one for each independent variable, to see how each variable individually affects the dependent variable.

DrGavin Is Conducting a 2 X 4 Independent-Groups Factorial Design