Evolutionary - Aggression

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  • Aggression- Evolutionary explanation
    • Jealousy
      • Daly and Wilson
        • men evolved mate retention strategies to deter their partner from leaving them.
        • Mate guarding to Violence
        • Preventing them from being cuckolded
      • Buss
        • 'direct guarding'
          • Prevent straying
            • 'negative inducements'
        • 'negative inducements'
        • those who are perceived to be threatening infidelity are more at risk
      • Daly
        • Male sexual jealously single most common motivation for US killings in domestic disputes
      • sexual jealously accounted for 17% murder in UK
      • Shackleford (AO2)
        • 461 men and 560 women- US universities. All in committed relationships
        • mate retention strategies correlated positively with their violence scores
        • problems of correlation, honesty of P's and disclosure of personal information, self report and social desirability bias
    • Infidelity
      • Use studies from Daly and Goetz
      • Camilleri
        • cuckoldry risk hypothesis = men more likely to use coercion if risk is high (more chance of making offspring theirs)
      • violence may serve as elimination of potential offspring
        • Burch and Gallup
          • violent acts towards pregnant mates double
        • Valladares
          • half their sample of pregnant were abused and suffered blows to abdomen
      • Uxorocide (wife killing)
        • men either guard by using conferring benefits or inflicting costs
          • not all men have resources and were therefore more prone to using violence
            • Shackleford
              • men either guard by using conferring benefits or inflicting costs
                • not all men have resources and were therefore more prone to using violence
                  • Shackleford
          • Daly- unintended outcome of evolutionary adaptation due to wanting to keep the woman alive for reproduction
        • Evaluation
          • If evolutionary theory is correct why are their individual differences
          • Buss and Shackleford- doesn't explain why all men aren't killers or abusers

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