Survival ProblemsAdaptationist ProgramEvidence of ‘special design’-design features all contribute in a precise manner to solve a particular problemAdaptations possess most or all of the following:Efficiency: solves problem efficientlyEconomy: solves problem at low relative costPrecision: highly specializedReliability: results are consistenceMinds evolved to solve problems associated with a hunter-gatherer lifestyleEvolutionary Psychology PrinciplesAn evolved psychological mechanism exists in the form that it does because it solves a specific problem of survival or reproduction recurrently over evolutionary history. Ex: Desire for sweet and salty thingsAn evolved psychological mechanism is designed to take in only a narrow slice of information. Ex: Domain-specificity, distinguishing between speech and non-speechThe input of an evolved psychological mechanism tells an organism the particular adaptive problems it is facing. Ex: fear of snakes.
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