RESEARCH STUDY 12.2 Dr. LaGuardia Is a Cognitive Neuroscientist Who Is Interested in Is

RESEARCH STUDY 12.2
Dr. LaGuardia is a cognitive neuroscientist who is interested in the effect of brain concussions on the ability to recognize faces. He conducts a quasi-experimental study in which he examines football players before and after the regular season, using the Benton Facial Recognition Test (a published, widely used measure of one's ability to recognize faces) to compare those who received concussions to those who did not. He finds that players who had concussions during the regular season performed worse on the Benton Facial Recognition Test than did players who did not experience concussions.
-Refer to Research Study 12.2 above to answer the following question. Which of the following makes Dr.LaGuardia's quasi-experimental study different from a correlational study?

A) He used a validated measure of the dependent variable.
B) He was able to confirm the occurrence of a concussion rather than relying on self-report.
C) He used a naturally occurring comparison group (i.e., players who did not suffer a concussion) .
D) He used members of a real sports team rather than members of the general population.
E) There is no difference between Dr. LaGuardia's quasi-experimental study and a correlational study.

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