A descriptive report of a study on the effects of early group care on children's social development. Subjects were 15 infants aged 15 to 24 months. Findings indicate greater social maturity in children with extensive group experiences. (CM)

Sensitivity training is one type of experience-based learning in which participants work together in a small group over an extended period of time learning through analysis of their own experiences. The primary setting is the T Group (T for training) in which a staff member sets up an ambiguous situation which allows participants to choose the…

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…