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Robert Trivers
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Evolutionary psychology - Wikipedia en.wikipedia.org 7 facts
claimRobert Trivers posited that differential parental investment led to the evolution of sexual dimorphisms in mate choice, intra- and inter-sexual reproductive competition, and courtship displays.
claimRobert Trivers proposed that anisogamy leads to different levels of parental investment between the sexes, with females typically investing more, which in turn leads to the evolution of different reproductive strategies and sexual conflict.
perspectiveRobert Trivers argues that friendship and various social emotions evolved to manage reciprocity.
claimRobert Trivers' 1972 theories on reciprocity and parental investment helped re-establish evolutionary thinking in psychology and social sciences.
claimRobert Trivers proposed that cooperation with non-kin can be maintained through mutually beneficial reciprocity.
claimRobert Trivers suggested that the sex investing less in offspring will generally compete for access to the higher-investing sex to increase their inclusive fitness.
claimRobert Trivers published an influential paper in 1972 on sex differences, which is now known as parental investment theory.
Evolutionary Psychology | Internet Encyclopedia of Philosophy iep.utm.edu 2 facts
claimRobert Trivers concluded that for altruism to evolve, natural selection must favor more acute abilities to detect cheating, because individuals who accept the benefits of altruism without paying the cost of reciprocation would otherwise drive altruism to extinction.
claimRobert Trivers (1971) proposed that altruistic behavior can evolve if it is reciprocal, meaning that if individual A performs an act with benefit bB for individual B and cost cA for A, then B reciprocates with an act with benefit bA for A and cost cB for B, provided that bA outweighs cA and bB outweighs cB.
The Evolution of Transcendence | Evolutionary Psychological Science link.springer.com Jun 1, 2016 2 facts
claimWilliam von Hippel and Robert Trivers (2011) argue for the existence of evolved self-deceptive mechanisms in humans.
referenceRobert Trivers (1972) proposed that ancestral women's greater obligatory investment in offspring led to the evolution of preferences for long-term over short-term mates, which may explain why religious expressions of erotic attachment to Christ among women included romantic sentiment alongside carnal desire.