The heritability of IQ increases with age because
a. people get wiser as they get older.
b. people stop responding to their environments to the same extent as when they were young.
c. people are allowed more freedom when young and usually experience many different
environmental influences that impact their intelligence.
d. people have more opportunity as they age to choose their own environments, and these
choices may reflect the heritable component of their intelligence.
e. people's intellect becomes limited by health problems as they age.
d. people have more opportunity as they age to choose their own environments, and
these choices may reflect the heritable component of their intelligence.
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