An interaction effect hypothesis is a prediction about how the levels of one independent variable combine with another independent variable to influence the _____ in a way that extends beyond the _____of the two separate main effects.
A) dependent variable; sum
B) interaction effect; product
C) dependent variable; quotient
D) dependent variable; product

Question

Quizplus · Accepted Answer

Interaction effects occur when the effect of one independent variable on the dependent variable changes depending on the level of another independent variable. This goes beyond simply adding the two main effects together, hence the correct answer involves the "sum" of the two separate main effects.

An Interaction Effect Hypothesis Is a Prediction About How the Levels