Child Development · 1971 · 98 citations · 0 references
Social SciencesEducational PsychologyPsychologyChild DevelopmentDevelopmental PsychologySocial-emotional DevelopmentChild Behavior InterventionChild Behavior ManagementCooperative BehaviorHelping BehaviorPlay BehaviorEncouraging Prosocial BehaviorHelp Giving BehaviorRole-play LearningRole-play PracticeSocial Sharing Behavior