The three potential sources of systematic variation in a complex design experiment involving two independent variables include
A) two main effects and a simple comparison effect.
B) two main effects and an interaction effect.
C) one main effect, one interaction effect, and one error variation effect.
D) one main effect, a simple main effect, and an interaction effect.

Question

Quizplus · Accepted Answer

The two independent variables represent two potential main effects, and their combined effect (Interaction effect) represents the third potential source of systematic variation in the experiment. Therefore, option B, which mentions two main effects and an interaction effect, is the best choice.

The Three Potential Sources of Systematic Variation in a Complex