In a research study, it is possible to have two main effects and an interaction but it is not possible to have an interaction effect with no main effects. (True or False)

Question

Quizplus · Accepted Answer

It is possible to have an interaction effect without main effects, known as a "pure" interaction, where the effect of one independent variable depends entirely upon the level of another independent variable but does not have a significant influence on the dependent variable on its own. However, it is not possible to have main effects without an interaction effect, as main effects reflect the overall impact of an independent variable on the dependent variable regardless of the level of other independent variables.

In a Research Study, It Is Possible to Have Two