Demand characteristics of the modeling experiment: altruism as a function of age and aggression.
D000367:Age Factors; D000374:Aggression; D002648:Child; D002652:Child Behavior; D005260:Female; D006801:Humans; D007100:Imitative Behavior; D007398:Interpersonal Relations; D008297:Male; D008568:Memory; D011336:Probability; D011574:Psychoanalytic Theory; D012737:Sex Factors; D012919:Social Behavior; D014705:Verbal Behavior; D014796:Visual Perception