Evidence indicating that upbringing affects one’s mental ability is provided by which of the following findings?

Question: Evidence indicating that upbringing affects one’s mental ability is provided by which of the following findings?

A. That identical twins are more similar in IQ than fraternal twins
B. That there is more than a chance similarity between adopted children and their biological parents
C. That siblings reared together are more similar in IQ than siblings reared apart ✓
D. That identical twins reared apart are more similar in IQ than siblings reared together

Correct Answer: C. That siblings reared together are more similar in IQ than siblings reared apart

Explanation: NA

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