Studies which find that the correlation between the IQs of identical twins is between .77 and
)88 demonstrate that intelligence is the product of
A) environment.
B) heredity.
C) heredity and environment.
D) neither heredity nor environment.

Question

Quizplus · Accepted Answer

The high correlation between the IQs of identical twins suggests a strong genetic component (heredity), but since the correlation is not perfect, it also indicates that environmental factors play a role in shaping intelligence.

Studies Which Find That the Correlation Between the IQs of Identical