Multiple Choice
Which of the following results,as observed in previous studies of family similarity in mental abilities,indicates that there are substantial effects of the womb environment on mental abilities?
A) Identical twins show higher correlations for mental ability than do fraternal twins.
B) Fraternal twins show higher correlations for mental ability than do nontwin siblings.
C) Biological nontwin siblings show higher correlations for mental ability than do adoptive siblings.
D) All of the above.
E) None of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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