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Lecture 5

PSYCH 2800 Lecture 5: Evolutionary Psychology

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PSYCH 2800
Tom Gilovich

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2.8.18 Lecture 5: Evolutionary Psychology Overview: Parental Involvement Women are choosier than men in terms of partners differences in preferences (how many partners over a period of time, willingness to go to bed immediately). Do women and men seek different attributes in a mate? Buss (1986): The 3 most important attributes are the same: kind, exciting, intelligent. However, women are more interested in earning capacity; men are more interested in physical attractiveness. (Replicated in most cultures.) Beauty standards growing thinner over time, reflection of food security? Social structural theory the differences in sexes and preferences will grow smaller over time as the opportunities in society become more equal. UN women study: Women with more power and availability of higherpaid jobs = less interest in mans earning potential as a mate. Why do countries differ so widely in the importance both sexes attach to physical attractiveness in a mate? Would be important in cultures where attractiveness is a sign of good geneshealth able to overcome unhealthy pathogens. Guss, Gangestad (1992) good genes account. Fluctuating Asymmetry Human body should be symmetrical, but deviation exists could suggest disease, developmental problems. Ability to overcome pathogens in the womb = more symmetrical = attractiveness is a sign of good genes, possibly. Women during menstrual cycles are drawn towards masculine traits. Relatives and Aggression Who kills who? Relatives 25. Unrelated aquaintances 48. Strangers 27. Relatives (127) were: Partners. Spouses and nonrelatives killed more often than relatives; closer a relative is genetically, less risk. Child abuse is more frequent in couples with one or more stepparents, as opposed to two natural parents. Why do mothers kill their own children? Possibly where children are deformedseem unhealthy unlikely to be genetically useful, might not waste injury.
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