RESEARCH QUESTION 12.4 Dr. Fletcher Is Interested in Whether Joining a Fraternity/sorority Causes

Essay

RESEARCH QUESTION 12.4
Dr. Fletcher is interested in whether joining a fraternity/sorority causes people to become more concerned about their attractiveness and appearance. He recruits a group of 55 freshmen (25 males, 30 females) who are planning to go through fraternity/sorority recruitment on his campus. After they join, he gives them a measure of attractiveness/ appearance concern (the Body Concern Scale, where higher scores indicate higher body concerns).
-Refer to Research Study 12.4 above to answer the following question.
As the study is described,explain a selection threat that may be present in Dr.Fletcher's study.What could Dr.Fletcher do to address this threat?