PSY 235 Lecture Notes - Lecture 12: Reciprocal Altruism, Repeated Game
Document Summary
Example: fictive kin terms: band of brothers, children of god . Social exchange: trading of goods and services. Fiske"s relational models theory (all societies have at least 3 forms) Communal sharing: all group members share in the group"s resources as needed and depended on another for mutual care. Authority ranking: higher ranking individuals entitled to loyalty and respect; lower ranking individuals entitled to protection, advice, and leadership. Equality matching: no one gets more than others; people take turns, share equally and reciprocate benefits. Market pricing: individuals trade according to rational rules of self interest, taking goods and services in proportion to what they put in and seeking best deal . Emphasizes trust and is needs-based (given what you have, receive when you need) Prone to exploitation, so uncommon outside of families. Non-kin altruism: doing kind things for one another, even when not related. Rare in animals, but happens in some symbionts, primates and candids.
