Multiple Choice
Behavioral-genetic studies have shown that
A) for children and adolescents,heritability estimates average around .75.
B) for adults,heritability estimates average around .45 to .50.
C) as adopted children grow into adulthood,the correlation between their IQ scores and those of their biologically unrelated family members decreases to zero.
D) the scores of fraternal twins reared together are more highly correlated than the scores of identical twins reared apart.
Correct Answer:
Verified
Correct Answer:
Verified
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