Cooperative Norms in Children Tend to Emerge When There Is

Cooperative norms in children tend to emerge when there is a high

A) degree of concern with ingroup harmony and games are non-zero-sum.
B) degree of concern with ingroup harmony and games are zero-sum.
C) level of antisocial punishment and games are non-zero-sum.
D) level of antisocial punishment and games are zero-sum.
E) degree of concern with intergroup harmony and a high degree of antisocial punishment.