The idea that heredity affects IQ is best supported by the very high correlation between IQ scores of ________.
A) fraternal twins reared together
B) fraternal twins reared separately
C) identical twins reared separately
D) identical twins reared together

Question

Quizplus · Accepted Answer

Identical twins reared separately show a very high correlation in IQ scores, supporting the idea that heredity plays a significant role in determining IQ, as they share the same genetic makeup but different environments.

The Idea That Heredity Affects IQ Is Best Supported by the Very