Which of the Following Is the Best Evidence for a Genetic

question 43

Multiple Choice

Which of the following is the best evidence for a genetic contribution to intelligence

• A)the high correlation between intelligence scores of roommates
• B)the fact that test scores of identical twins reared together tend to be more highly correlated than the scores of identical twins reared apart
• C)the fact that intelligence scores of identical twins tend to be more similar than those of fraternal twins
• D)the fact that intelligence scores of fraternal twins tend to be more similar than those of non-twin siblings