There is an interaction if
A) there is no main effect of either Variable A or Variable B
B) the effect of Variable A depends on whether there is a main effect of Variable B
C) there is a main effect of both Variable A and Variable B
D) the effect of Variable A depends on the level of B

Question

Quizplus · Accepted Answer

An interaction occurs when the effect of one variable (Variable A, in this case) depends on the level of another variable (Variable B). Therefore, the best choice is D, which states that the effect of Variable A depends on the level of B. The other choices (A, B, and C) do not describe an interaction.

There Is an Interaction If