In an experiment, an interaction can be obtained only when
A) the experiment involves more than one independent variable.
B) the experiment involves more than one dependent variable.
C) the experiment confounds either two independent variables or two psychological processes.
D) the results depend upon the combination of the dependent variables.

Question

Quizplus · Accepted Answer

An interaction in an experiment occurs when the effect of one independent variable on the dependent variable changes depending on the level of another independent variable. This means the experiment must involve more than one independent variable to observe an interaction effect.

In an Experiment, an Interaction Can Be Obtained Only When