RESEARCH STUDY 12.1 Dr. Fletcher Is Interested in Whether Joining a Fraternity/sorority Causes

question 42

Multiple Choice

RESEARCH STUDY 12.1
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) .
-Refer to Research Study 12.1 above to answer the following question. What would Dr.Fletcher need to do to his current study design to make it a nonequivalent groups interrupted time-series design?

• A) Recruit a group of participants who did not join a fraternity/sorority
• B) Take measurements of body concern before and after joining a fraternity/sorority
• C) Measure body concern using a different measure than the Body Concern Scale
• D) Both a and b
• E) All of the above

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