The goal of scientific writing is to

Parents who give their sons toys that stress action and competition

A) encourage aggression and antisocial behavior in their children. B) also provide their daughters with toys that stress action and competition. C) encourage gender-specific play activities and behaviors. D) promote gender-typing more strongly during middle childhood than preschool.

If dizygotic twins think they are monozygotic twins,

a. they are more resentful of their siblings. b. they are less resentful of their siblings. c. they are more like their siblings. d. they are less like their siblings.