In a 2x2 design, the following results occur:

Which of the following is true?
A) there is one main effect and an interaction
B) there is an interaction but no main effects
C) there are two main effects but no interaction
D) there are two main effects and an interaction

Question

In a 2x2 design, the following results occur:

Which of the following is true?
A) there is one main effect and an interaction 
B) there is an interaction but no main effects 
C) there are two main effects but no interaction 
D) there are two main effects and an interaction

Quizplus · Accepted Answer

In a 2x2 design, there are two main effects (one for each independent variable with two levels) and one interaction. The given results show a significant main effect for one variable and a significant interaction between the two variables. Therefore, the correct answer is D, which indicates that there are two main effects and an interaction.

In a 2x2 Design, the Following Results Occur