Describes a group assertiveness training program developed for use with shy children. The first phase utilized reinforcement procedures, relaxation, guided fantasy, behavior contracts, and feedback mechanisms. The second phase eliminated features no longer needed as children progressed. The evaluation demonstrated this program can be effective in…

Six experiments were designed in order to compare the cooperative and competitive interaction of five-year-olds with that of older children up to age 10. For all experiments, children of the same age and same sex were matched in dyads. The children played various two-person games where they could obtain prizes in a variety of reward contingency…