The average erect penis is ____

The cerebral cortex of humans is so large it should not fit in our skull. The only reason it does is because of its _____

a) shrinkage during gestation. b) convolutions. c) extension into the spinal cord. d) absence of fluid.

Longitudinal research indicates that authoritative child rearing

A) promotes maturity and adjustment in children of diverse temperaments. B) does not work with temperamentally fearless or impulsive children. C) fosters favorable self-esteem, but impedes cognitive and social maturity. D) promotes impulsive, disobedient, and rebellious behavior in children of diverse temperaments.