Child-child interactions in free field settings: some experimental analyses.
D000374:Aggression; D001288:Attention; D001519:Behavior; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D002666:Psychology, Child; D012054:Reinforcement, Psychology