PSYCH 3F03 Lecture Notes - Parental Investment, Ovulation

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Males who are not quite as attractive maybe under selection to be more nice in order to be more attractive to women. Not challenging ultimate reasons but looking at proximate causes. Gave 2 descriptions of men to the female participants at 2 times: ovulation and luteal phase: then women rate the 2 descriptions and picture, reliable has average pic and sexy guy had a good pic. How much parental investment was expected from the 2 guys: ovulation did not influence parental investment estimate for reliable guys, but it did increase for sexy cads during ovulation. Maybe strategic to overcome any kind of resistance of mating with a sexy cad during ovulatory period. Experiment 3: human beings are on continuum for life history, fast make hay while the sun shines sort of strategy. For the investment to bear fruit requires time. Sometimes may be more advantageous: one factor that may play in mating strategy is external environment.

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