Discussion Launcher (Learning Objective 8.15, pp. 203-205)
Picture this scenario: You are at the cereal aisle at the grocery store. A preschool child wants a particular
kind of cereal and the parent says no. The child is throwing a temper tantrum in the grocery cart. Role–
play some likely results of the scenario and identify the behaviors that are being reinforced in each.
Whatever the cause, most children become less aggressive across the preschool years. There are a few
children, however, for whom an aggressive behavior pattern in early childhood becomes quite literally a
way of life. Researchers have searched for causes of this kind of aggression, which some psychologists
refer to as trait aggression to distinguish it from developmentally normal forms of aggression.
▪ Some psychologists have looked for a genetic basis and have produced some supportive data.
▪ Others suggest that trait aggression is associated with being raised in an aggressive environment, such
as an abusive family. Family factors other than abuse, such as lack of affection and the use of
Discussion Launcher (Learning Objective 8.15, pp. 203-205)
What do you think? Are some children just naturally more aggressive than others or is it a learned
behavior? Give examples to support your answer.
Prosocial Behavior and Friendship
LO 8.16 How do prosocial behavior and friendship patterns change during early childhood?
Prosocial behavior, like aggression, is intentional and voluntary, but its purpose is to help another person
in some way. In everyday terms, this is essentially what we mean by altruism, and it changes with age,
just as other aspects of peer behavior change.
Development of Prosocial Behavior
At about age 2 or 3, children offer to help another child who is hurt, offer a toy, or try to comfort another
person. Past these early years, changes in prosocial behavior show a mixed pattern. Some kinds of
prosocial behavior, such as turn-taking, donating a treat to another child, and helpfulness, seem to