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?

Question

Quizplus · Accepted Answer

The fact that volunteers are being paid and the study is specifically looking for male participants indicates that the sample may not be representative of the entire population of college-age males. Those who volunteer may have unique characteristics or motivations that differ from those who choose not to participate.

An Ad in the Campus Newspaper Indicated That $20 Will