An interaction effect refers to the ____.
A) joint effects of more than one independent variable
B) effect of a single independent variable by itself
C) linear relationship between two variables
D) probability that differences between two variables are due to a statistical fluke

Question

Quizplus · Accepted Answer

An interaction effect occurs when the joint effects of two or more independent variables on a dependent variable are not simply additive. In other words, the effect of one independent variable depends on the level of another independent variable. Therefore, only choice A accurately describes an interaction effect.

An Interaction Effect Refers to the ____