Aggression and cooperation, which represent two critical features in the child's social domain, have one element in common: they both emerge from children's strong developmental push to initiate and maintain relationships with other children. Aggression is defined as any intentional behavior that results in physical or mental injury to any person…

Assertiveness training, a current preferred method of training appropriate communication skills, strives to teach a behavior which enables a person to act in his/her own interests, to express honest feelings comfortably, or to exercise one's own rights without denying the rights of others. Assertion training could be envisioned as an intervention…