In a factorial design, a main effect is the _____.
A)effect of one independent variable at one level of another independent variable
B)effect of one independent variable averaged over the levels of the other independent variables
C)only effect of interest
D)effect of dependent variable on the independent variable

Question

Quizplus · Accepted Answer

A main effect in a factorial design is the effect of one independent variable averaged across all levels of the other independent variables. It helps to identify which independent variable is having the most significant impact on the dependent variable.

In a Factorial Design, a Main Effect Is the _____