The Top of the Ad in a Magazine Targeted to Women

Multiple Choice

The top of the ad in a magazine targeted to women reads,"Synvise can be a great approach to osteoarthritis knee pain,says LPGA golfer Nancy Lopez and Synvise user." The rest of the ad copy explains how the prescription medication works and describes possible side-effects.The ad's source is hoping its message benefits from the:

A) primacy effect.
B) recency effect.
C) sleeper effect.
D) credibility effect.
E) compliance hierarchy.