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Aggression Most psychologists define aggression as behavior with intent to harm or injure. PowerPoint Presentation
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Aggression Most psychologists define aggression as behavior with intent to harm or injure.

Aggression Most psychologists define aggression as behavior with intent to harm or injure.

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Aggression Most psychologists define aggression as behavior with intent to harm or injure.

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  1. AggressionMost psychologists define aggression as behavior with intent to harm or injure.

  2. Maccoby & Jacklin “Fairly well-established gender difference”- For both physical and verbal aggressio - Across cultures - Appeared between 2 and 3 yrs old and continued through college - After that little information available

  3. Janet Hyde – 5% of differences can be attributed to gender Age 6 – 7% of variance College Age – 1% of variance

  4. Sex Differences in US Crime Statistics

  5. Aggression in Pre-School Children

  6. Biological Explanations • Testosterone levels • Pre-natal hormones • Serotonin

  7. Mice data

  8. More Rat data

  9. Bird data

  10. Human data – Correlation Studies

  11. No Correlation – Some studies on men have shown this kind of relationship

  12. Correlation studies in Men High Testosterone levels have been correlated with: - History of arrests 2 studies - History of violent crimes 1 study - Less likely to marry, more to divorce, troubled relations 1 study - Aggressive disposition 2 studies - variety of anti-social behavior AWOL, alcohol & drug abuse 1 study

  13. CAH Girls Activity Level

  14. Serotonin Levels in Violent Suicides

  15. Serotonin Reuptake Inhibitor

  16. Stereotypes Play

  17. Acceptable Male behavior

  18. Big Boys Toys

  19. Movies

  20. Video Games

  21. Sports Images

  22. International Problem Solving