Maureen Was Trying to Decide Which One of Two National

Maureen was trying to decide which one of two national brand computers to buy. She was pretty well set on buying the "Brand A" computer when one of her friends mentioned that Kevin Costner did commercials endorsing "Brand B." Maureen decides to buy the "Brand B" computer, based on the assumption that Kevin Costner wouldn't endorse anything that wasn't top quality. In this instance, what did Maureen use to reach her decision?

A) central route to persuasion
B) self-serving route to persuasion
C) cognitive dissonance model of persuasion
D) peripheral route to persuasion