Posttraumatic stress disorder is a prolonged maladaptive reaction that lasts longer than one month after the traumatic experience

Longitudinal research shows that

A) the impact of shared environmental influences is greatest in adolescence. B) birth order and spacing are strong predictors of IQ. C) in adolescence, the IQ resemblance between fraternal twins increases. D) the IQs of unrelated siblings are no longer correlated at adolescence.

Behaviorism and social learning theory have been criticized for

A) overemphasizing the plasticity of cognitive development. B) underestimating people's contributions to their own development. C) granting children and adults too active of a role in their own learning. D) offering too wide a view of important environmental influences.