A comparison of the behavior of deviant and non-deviant boys while playing alone and interacting with a sibling.
D000374:Aggression / Q000523:psychology; D001288:Attention; D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology*; D002675:Child, Preschool; D003299:Cooperative Behavior; D006801:Humans; D008297:Male; D010988:Play and Playthings; D012801:Sibling Relations; D014705:Verbal Behavior