The effects of peer vs. adult frustration on boys of middle childhood.
D000367:Age Factors; D000374:Aggression; D002648:Child; D002653:Child Behavior Disorders / Q000209:etiology; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D005639:Frustration; D006801:Humans; D008297:Male; D010379:Peer Group; D011386:Projective Techniques; D011582:Psychological Theory