An advertiser is interested in the effects of color and size of containers on people's tendency to buy a certain brand of cereal. He prepares containers consisting of all combinations of color with size and asks each of a group of subjects which of the containers they would be most and least likely to buy. What type of design does this study represent?
a. one-variable within-subjects
b. between-subjects factorial
c. within-subjects factorial
d. mixed factorial
Question 2
If one variable has a smaller effect when paired with higher levels of a second variable, you have a(n)
a. synergistic interaction
b. antagonistic interaction
c. ceiling effect interaction
d. main effect
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