In factorial analysis of variance, main effects
A) provide the same kind of information that would be obtained by conducting separate one-way ANOVAs.
B) refer to how the independent variables are affected by the dependent variable.
C) refer to any effects that are statistically significant.
D) All of the above are true.

Question

Quizplus · Accepted Answer

Main effects in factorial analysis of variance provide the same kind of information that would be obtained by conducting separate one-way ANOVAs for each independent variable. They refer to the differences among groups on the dependent variable, without taking into account any other independent variables.

In Factorial Analysis of Variance, Main Effects