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

اس بات کی نشاندہی کرنے والے شواہد کہ پرورش کسی کی ذہنی صلاحیت کو متاثر کرتی ہے جس کے ذریعے درج ذیل نتائج فراہم کیے گئے ہیں؟

That identical twins are more similar in IQ than fraternal twins

That there is more than a chance similarity between adopted children in their biological parents

That siblings reared together are more similar in IQ than siblings reared apart

That identical twins reared apart are more similar in IQ than siblings reared together

Explanation

The evidence indicating that upbringing affects one's mental ability is provided by the finding: "That siblings reared together are more similar in IQ than siblings reared apart."

This suggests that shared environmental factors, such as upbringing, play a role in shaping mental ability.