Emma+and+evolutionary+theories

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=Explanation of the Theory=

=Evolutionary Explanations=
 * **Evolutionary psychologists see aggression as a solution to particular adaptive problems and according to** **Buss & Shackelford (1997)** **such problems are as follows:**
 * **1) Coopting the resources of others** **: Humans stockpile resources which are important for survival and reproduction.**
 * **2) Defence against attack** **: The presence of individuals who may attack you prompts groups or individuals to use aggression as a means of preventing ones resources from being taken.**
 * **3) Inflict costs on intrasexual rivals** **: Same-sex rivals will compete for access to valuable resources that will attract females, or for females themselves.**
 * **4) Negotiate status hierarchies** **: Aggression can enhance ones personal status within a group, in Western cultures aggression has been ritualised within sporting contexts and top performers can achieve very high status.**

=Evidence (specific studies and findings)=