The Evolution of Reciprocal Altruism

@article{Trivers1971TheEO,
  title={The Evolution of Reciprocal Altruism},
  author={Robert Trivers},
  journal={The Quarterly Review of Biology},
  year={1971},
  volume={46},
  pages={35 - 57}
}
  • R. Trivers
  • Published 1 March 1971
  • Psychology
  • The Quarterly Review of Biology
A model is presented to account for the natural selection of what is termed reciprocally altruistic behavior. [] Key Result Specifically, friendship, dislike, moralistic aggression, gratitude, sympathy, trust, suspicion, trustworthiness, aspects of guilt, and some forms of dishonesty and hypocrisy can be explained as important adaptations to regulate the altruistic system. Each individual human is seen as possessing altruistic and cheating tendencies, the expression of which is sensitive to developmental…

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