Investigated effect of sentence ambiguity on recall and recognition of story information by aggressive and nonaggressive boys. Found that aggressive boys recalled approximately equal proportions of ambiguous and unambiguous information. Nonaggressive boys recalled more unambiguous than ambiguous information. Nonaggressive boys recognized approximately equal proportions of aggressively slanted versus nonslanted items. Aggressive boys recognized more aggressively slanted versus nonslanted items. (Author/KB)