Which of the following is true with regard to the heritability of intelligence?
A) Monozygotic twins have nearly identical IQ scores, indicating the vast majority of variation in intelligence is genetic.
B) Heritability estimates for intelligence are generally greater for adults than for children.
C) Studies indicate that the heritability of intelligence is very low.
D) Regardless of age, heritability estimates for intelligence range from 0.50 to 0.70.

Question

Quizplus · Accepted Answer

Heritability estimates for intelligence indeed tend to be higher in adults than in children. This is because as people age, the influence of their genetic makeup on their intelligence becomes more apparent, while the relative impact of environmental factors can decrease.

Which of the Following Is True with Regard to the Heritability