Adult males are sometimes more aggressive than adult females. According to the research discussed in Chapter 3, parents are especially likely to encourage these tendencies in their children

a. by punishing girls for their aggressive behavior.
b. by showing gender differences in their own behavior, which children will imitate.
c. by ignoring aggression in boys, so that they boys act even more aggressive in order to gain attention.
d. by rewarding kindness in girls, but not in boys.

B