Between eighteen months and two years of age, children's vocabulary typically increases by a little more than

Which weapon of influence has been shown to work even though the target denies that the weapon had any effect on his or her behavior?

(a) Social Proof (b) Liking (c) Authority (d) All of the above

Children in the stage of moral realism take what factor into account when deciding who has been most naughty?

a. the child's intentions b. the amount of damage done c. the situational context d. whether or not anyone witnessed the event