A researcher performs a 2 × 4 ANOVA with six participants in each cell of the study design.What is the degrees of freedom for the interaction?
A) 2
B) 3
C) 4
D) 6

Question

Quizplus · Accepted Answer

The degrees of freedom for the interaction is calculated as (a-1) x (b-1), where a is the number of levels in the first factor and b is the number of levels in the second factor. In this case, a=2 and b=4, so the degrees of freedom for the interaction is (2-1) x (4-1) = 3. Therefore, the correct answer is B.

A Researcher Performs a 2 × 4 ANOVA with Six