After his success in winning more medals for swimming at the London Olympics,Michael Phelps is considered a very credible source for swimwear brands such as Speedo.He is a credible source because of
A) attractiveness.
B) likeability.
C) expertise.
D) friendliness.
E) gullibility.

Question

Quizplus · Accepted Answer

Michael Phelps is a credible source for swimwear brands because of his expertise in swimming, as evidenced by his numerous Olympic medals. Attractiveness, likeability, friendliness, and gullibility are not necessarily relevant factors in establishing credibility.

After His Success in Winning More Medals for Swimming at the London