An Ad in the Campus Newspaper Indicated That $20 Will

Multiple Choice

An ad in the campus newspaper indicated that $20 will be paid to male volunteers who participate in a study of male sexual response.What might one assume about the volunteers?

A) They are likely not doing well in their college classes.
B) They are not a representative sample of college-age males.
C) They are exhibitionists.
D) They are engaging in a form of prostitution.