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class5.new - Syllabus change updated on course website on...

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Unformatted text preview: Syllabus change updated on course website on gauchospace (gauchospace.ucsb.edu) Mate preferences today and Wednesday, with physical attractiveness lectures compressed into next weeks lectures Survey Research on Human Mate Preferences What characteristics do men and women want in a romantic partner? Do they want the same things or different things? Early research methods: Just ask them Buss (1989): Subjects from 37 different cultures rated and ranked lists of attributes for their desirability in choosing a mate. Buss (1989) Uses Parental Investment (PI) theory to generate hypotheses regarding sex differences in mate preferences The sex investing more in offspring will be selected to exert stronger preferences about mating partners Are costs of bad mate choice greater for men or women? (ancestral) Are benefits of indiscriminate mating likely to be greater for men or women? First principle from PI theory: women should be choosier than men What should choosy women want? Buss: In species with male parental investment, ability and willingness to provide resources related to parental investment Ancestral women likely could not have had more than ~ 10 children in a lifetime Variance in womens reproductive success thus in part depend on what fraction of 10 kids survived and reproduced Genes that led to choices of mates that caused greater fraction of kids to survive and reproduce should have spread in population Mens provisioning of food, shelter, territory, protection could have increased survival rates of womens offspring Hypothesis: Females, more than males, should value attributes in potential mates such as ambition, industriousness, and earning capacity Sex differences in human mate preferences: evolutionary hypotheses tested in 37 cultures. Hypothesis 1 : Females should seek to mate with males who have the ability and willingness to provide resources . . . Such as food, shelter, territory, and protection. Prediction 1 : Females, more than males, should value attributes in potential mates such as ambition, industriousness, and earning capacity that signal the possession or likely acquisition of resources. USA males females Characteristic: Good financial prospect 0 (unimportant) to 3 (indispensable) 1.08 1.96 36 out of 37 countries What should men want? From PI theory: For males more than females, reproduction is limited by access to reproductively valuable or fertile mates. Female fertility is strongly age-graded: zero until puberty and after menopause, declining by mid-thirties Male fertility is not nearly as strongly age-graded Therefore, Males, more than females, will value relative youth and physical attractiveness in potential mates because of their links with fertility and reproductive value Men Designed as Short or Long-Term Maters?...
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class5.new - Syllabus change updated on course website on...

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