In a 2 X 2 design, an interaction effect occurs when:

Question

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An interaction effect occurs when the effect of one independent variable depends on the level of the other independent variable. In other words, the effect of one independent variable differs depending on the level of the other independent variable, indicating that the two variables are not acting independently but are influencing each other. Option A describes the presence of main effects but not necessarily interaction effects. Option B describes a situation where there are no effects, which is not the definition of an interaction effect. Option D describes a situation where there is only a main effect of one independent variable, which is not the definition of an interaction effect.

In a 2 X 2 Design, an Interaction Effect Occurs