PSYA02H3 Lecture Notes - Lecture 18: Semen Analysis, Opportunity Cost, Reciprocal Altruism

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PSYA02H3 Full Course Notes
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Daily objectives: altruism and distinguish it from kin selection and reciprocal altruism, how women and men differ in their criteria for the selection of a mate, the situational, physical, and psychological factors that contribute to attraction. Cooperation helps us to acquire and protect our resources: so, it is adaptive for our survival. Altruism: behaviour that benefits another without benefitting oneself. Reproduction is one way in which all animals are social (humans are especially social in this regard) Three aspects of reproduction: selectivity, attraction, relationships. Selection: humans are quite selective in terms of their sexual partners. Women tend to be more selective than men are. Biological reasons (sperm count vs. egg count) Women are approached more often: cultural courtship rituals can affect this selectivity (male seeks female) Psychological: one of the first things we notice about a social partner (sexual or otherwise) is their physical appearance, most powerful, at first.

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