PSYCH 3F03 Lecture Notes - Lecture 9: Iden, Alimony, Masculinity
13 Sep 2018
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Winners of intrasexual compe on = higher reproduc ve success: greater access to females & block male access o caused by inherited quali es that increase in future genera on. Good to win the ght, be er to win without gh ng o warning signals to show strength = avoid cost of gh ng. Figh ng is only worth it if individuals are equally dominant. High testosterone = broad shoulders, square jaw, deep voice. High estrogen = hourglass gure, large eyes/lips, high voice. Voice pitch is the most dimorphic trait testosterone. Body morphology: tall, masculine face, low voice, body shape, body odour. Personality a ributes: risk-taking, aggression, investment in rela onships/kids female-female compe on in humans. Appearance: cosme cs, jewelry, show more skin, more plas c surgery in women. Deroga ng compe on: study: women"s estrogen compared to how they treat each other. Higher estrogen = nd other females less a rac ve.
