Question

The Pepsi marketing team wants to do the Pepsi Challenge again. This time they are going to examine ratings of taste [on a scale from 1 (disgusting) to 10 (amazingly delicious)] for 3 different brands of cola (Pepsi, Coca Cola, and RC Cola) among 4 different age groups (18 or younger, 19 – 30, 31 – 50, and 50 or older) to see if there are differences in taste ratings based on brand of soda and age, and if age has an effect on taste ratings for specific brands of cola. What are the independent variable(s) and dependent variable(s) for this study?

IV = Pepsi, Coca Cola, and RC Cola; DV = 18 or younger, 19 – 30, 31 – 50, and 50 or older IV = 18 or younger, 19 – 30, 31 – 50, and 50 or older; DV = Pepsi, Coca Cola, and RC Cola IV = Taste Rating; DV = Brand of Soda and Age IV = Brand of Soda and Age; DV = Taste Rating IV = Pepsi, Coca Cola, and RC Cola; DV = Taste Rating IV = 18 or younger, 19 – 30, 31 – 50, and 50 or older; DV = Taste Rating IV = Taste Rating; DV = 18 or younger, 19 – 30, 31 – 50, and 50 or older IV = Taste Rating; DV = Pepsi, Coca Cola, and RC Cola

Answer 1

We need to check the effect of age on ratings. Hence,

IV = 18 or younger, 19 – 30, 31 – 50, and 50 or older; DV = Taste Rating