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 all 4 colors with all 3 sizes and asks each of a group of subjects to rate each of the containers for how likely they would be to buy it on a 1-9 Likert scale. a. What is the dependent variable? b. What type of design does this study represent? Be sure to give its full name. c. How many conditions would be possible? d. How many main effects would be possible? e. Are interactions possible?