Amanda Conducted a 2 X 2 Factorial Design in Which

Multiple Choice

Amanda conducted a 2 x 2 factorial design in which she manipulated lack of food (high or low) and aggressive stimulation (high or low) in dogs. She then measured barking level. Amanda found that in the high food condition more aggressive stimulation reduced barking, whereas in the low food condition more aggressive stimuli increased barking. An interaction in which such opposite effects occur in different levels of different conditions might be which of the following?

A) A main effect interaction
B) A simple interaction
C) A crossover interaction
D) A normal interaction