PSYC 2120 Chapter Notes - Chapter 12: Ingroups And Outgroups, Collectivism, Death Drive
12 Sep 2016
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Emotional/hostile aggression: aggression in which one inflicts harm for its own sake on another. Instrumental aggression: aggression in which one inflicts harm in order to obtain something of value. Engaging in aggressive behaviour does not decrease aggressive feelings, can enhance (blow off some steam etc) Lorenz"s instinct theory of aggression: a theory that describes aggression as an innate biological drive. Women more likely to be killed by intimate relationship. Meta analysis suggests that 50% of variance in aggression may be caused by genetic factors. Children highly aggressive early on in life most likely to be aggressive later. Environmental factors likely to be stable as well. Gender differences not large, differences in recent studies smaller than older ones. Unprovoked men more aggressive than woman, when provoked differences small. Testosterone with other factor, high vs low income example. Aggression + testosterone bidirectional (both affects the other) Serotonin could be important for aggression (low levels)
