Which of the following CANNOT be said of the interaction in a study?
A)It can be determined by investigating marginal means.
B)It can exist even if the main effects are not significant.
C)It is almost always more important than a study's main effects.
D)There are multiple types of interactions (e.g., crossover interaction).

Question

Quizplus · Accepted Answer

Interaction effects cannot be determined by investigating marginal means because marginal means only provide information about main effects, not interactions.

Which of the Following CANNOT Be Said of the Interaction