... typically more aggressive than girls across different social classes. Olwens (1993), discovered that boys were more likely to become bullies or victims, and Boulton (1995) found that a high proportion of inter-sex aggression in primary schools was associated with initiation by the boys. However a dispute does occur over an explanation for these sex differences, and as with ... In his study, he found that while both sexes respond to aggressive stimuli with increased blood pressure, given the opportunity to retaliate physically, men's blood pressure will be greatly reduced while women's wi...

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• Grade Level: Graduate