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    Psychology
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    Understanding Abnormal Behavior
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    Exam 4: Research Methods for Studying Mental Disorders
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    Martin and Matthew Are Identical Twins
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Martin and Matthew Are Identical Twins

Question 1

Question 1

Multiple Choice

Martin and Matthew are identical twins. Matthew has obsessive-compulsive disorder, but Martin does not. In a biological research study, who would be the proband?


A) Martin
B) Matthew
C) Martin and Matthew's mother
D) Martin and Matthew's older sister

Correct Answer:

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