You have designed an experiment with three independent variables: mode of presentation (visual, auditory); difficulty level (easy, difficult); and amount of information (minimal, moderate, maximum). How many interactions would be tested?
A) 1
B) 2
C) 3
D) 4

Question

Quizplus · Accepted Answer

With three independent variables, there can be up to four possible interactions (2-way interactions between the independent variables and a 3-way interaction between all three independent variables). Therefore, all four possible interactions would need to be tested in this experiment.

You Have Designed an Experiment with Three Independent Variables: Mode