Suppose you conduct a factorial ANOVA for independent samples and for one of the main effects, the degrees of freedom are 1. How many groups exist for that independent variable?
A) 0
B) 1
C) 2
D) 3

Question

Quizplus · Accepted Answer

In a factorial ANOVA, the degrees of freedom for a main effect is calculated as the number of levels of the independent variable minus one. If the degrees of freedom is 1, then there are 2 levels (or groups) for that independent variable.

Suppose You Conduct a Factorial ANOVA for Independent Samples and for One