Evolutionary Explanations of Aggression
- Created by: Ellabroad18
- Created on: 11-05-16 17:36
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- Evolutionary Explanations of Aggression
- Explanations of Human Aggression
- Infidelity/Jelousy
- Sexual Coercian - forced sexual intercourses increases chances of fathering the child.
- +Goetz and Shackleford found that men who ***** partners suspected infidelity and woman who had been ***** by partners were more likely to have been unfaithful
- Mate retention - keeping control over mate assures no infidelity and no chance of cuckoldry
- +Debash and Debash found that woman who had been abused cited the main reason to be jealousy
- Eliminate the rival - killing rivals prevents opportunities of infidelity and cuckoldry
- +Daily and Wilson found in a study of 8 love triangle murder cases, 92% of murders were man vs man
- Demonstrates how eliminating the rival is adaptive for men as they have risk of cuckoldry
- +Daily and Wilson found in a study of 8 love triangle murder cases, 92% of murders were man vs man
- Deterministic - could excuse **** and male aggression (Socially sensative)
- Not all men respond with aggression to infidelity e.g. some beg to stay together(Nature vs Nurture)
- Sexual Coercian - forced sexual intercourses increases chances of fathering the child.
- Acquisition of status
- Aggression to gain status as status is adaptive - it gives access to resources to aid survival and mates to aid reproduction
- +Daily and Wilson correlation between income inequality and murder rates
- income inequality creates status gaps, this study shows how aggression is higher were status is more apparent.
- Infidelity/Jelousy
- Explanations of Group Display
- Sport
- Sport is ritualised aggression where aggression is adaptive as it helps to gain status (Status brings resources and mates)
- Unsanctioned aggression (Cheating) is also adaptive as it makes winning more likely
- +Maxwell and Viscek found that rugby players who scored higher on professionalism (wanting to win no matter what) had more unsanctioned aggression
- Real Rugby players - better eco. validity
- Shows how aggression is adaptive in a group display
- Sport is ritualised aggression where aggression is adaptive as it helps to gain status (Status brings resources and mates)
- Warfare
- Aggression in warfare is adaptive as it heightens chances of winning and gaining status
- Also survival is more likely with protection of the group
- Belligerence, bravery and self deception all improve chances of winning war
- +Chagnon studied the Yanomami tribe and found that most warfare situations were over access to women. Also, those who had killed were more likely to be married
- Shows how warfare leads to access to mates, an adaptive tool in the EEA
- Evidence weak validity as it is anecdotal.
- Alternate explanations - Obedience causes warfare aggression however, obedience can be seen as an adaptive trait.
- Evolution unfalsifiable
- Aggression in warfare is adaptive as it heightens chances of winning and gaining status
- Sport
- Explanations of Human Aggression
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