The assumption that MZ and DZ twins are raised in equally similar environments can be problematic. Which of the following is a problem?

A. DZ twins may be treated more alike than identical twins.
B. MZ twins purposefully join different clubs and have different friends.
C. MZ twins may share more of their environment than DZ twins.
D. All of the above

C

Psychology

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Psychologists were surprised when it was reported that the correlation coefficients between trait self-reports and actual behavior were around

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