The Evolution of Reciprocal Altruism
01 Mar 1971-The Quarterly Review of Biology (Stony Brook Foundation, Inc.)-Vol. 46, Iss: 1, pp 35-57
TL;DR: In this paper, a model is presented to account for the natural selection of what is termed reciprocally altruistic behavior, and the model shows how selection can operate against the cheater (non-reciprocator) in the system.
Abstract: A model is presented to account for the natural selection of what is termed reciprocally altruistic behavior. The model shows how selection can operate against the cheater (non-reciprocator) in the system. Three instances of altruistic behavior are discussed, the evolution of which the model can explain: (1) behavior involved in cleaning symbioses; (2) warning cries in birds; and (3) human reciprocal altruism. Regarding human reciprocal altruism, it is shown that the details of the psychological system that regulates this altruism can be explained by the model. 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 variables that were selected to set the tendencies at a balance ap...
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01 Apr 1984TL;DR: In this paper, a model based on the concept of an evolutionarily stable strategy in the context of the Prisoner's Dilemma game was developed for cooperation in organisms, and the results of a computer tournament showed how cooperation based on reciprocity can get started in an asocial world, can thrive while interacting with a wide range of other strategies, and can resist invasion once fully established.
Abstract: Cooperation in organisms, whether bacteria or primates, has been a difficulty for evolutionary theory since Darwin. On the assumption that interactions between pairs of individuals occur on a probabilistic basis, a model is developed based on the concept of an evolutionarily stable strategy in the context of the Prisoner's Dilemma game. Deductions from the model, and the results of a computer tournament show how cooperation based on reciprocity can get started in an asocial world, can thrive while interacting with a wide range of other strategies, and can resist invasion once fully established. Potential applications include specific aspects of territoriality, mating, and disease.
17,720 citations
TL;DR: A model is developed based on the concept of an evolutionarily stable strategy in the context of the Prisoner's Dilemma game to show how cooperation based on reciprocity can get started in an asocial world, can thrive while interacting with a wide range of other strategies, and can resist invasion once fully established.
Abstract: Cooperation in organisms, whether bacteria or primates, has been a difficulty for evolutionary theory since Darwin. On the assumption that interactions between pairs of individuals occur on a probabilistic basis, a model is developed based on the concept of an evolutionarily stable strategy in the context of the Prisoner's Dilemma game. Deductions from the model, and the results of a computer tournament show how cooperation based on reciprocity can get started in an asocial world, can thrive while interacting with a wide range of other strategies, and can resist invasion once fully established. Potential applications include specific aspects of territoriality, mating, and disease.
10,675 citations
TL;DR: In this paper, a variety of evidence is presented supporting this simple and compelling premise and implications for consumer behavior are derived for consumer behaviour because the construct of extended self involves consumer behavior rather than buyer behavior, it appears to be a much richer construct than previous formulations positing a relationship between selfconcept and consumer brand choice.
Abstract: Our possessions are a major contributor to and reflection of our identities A variety of evidence is presented supporting this simple and compelling premise Related streams of research are identified and drawn upon in developing this concept and implications are derived for consumer behavior Because the construct of extended self involves consumer behavior rather than buyer behavior, it appears to be a much richer construct than previous formulations positing a relationship between self-concept and consumer brand choice
7,705 citations
TL;DR: In this chapter a theory of motivation and emotion developed from an attributional perspective is presented, suggesting that causal attributions have been prevalent throughout history and in disparate cultures and some attributions dominate causal thinking.
Abstract: In this chapter a theory of motivation and emotion developed from an attributional perspective is presented Before undertaking this central task, it might be beneficial to review the progression of the book In Chapter 1 it was suggested that causal attributions have been prevalent throughout history and in disparate cultures Studies reviewed in Chapter 2 revealed a large number of causal ascriptions within motivational domains, and different ascriptions in disparate domains Yet some attributions, particularly ability and effort in the achievement area, dominate causal thinking To compare and contrast causes such as ability and effort, their common denominators or shared properties were identified Three causal dimensions, examined in Chapter 3, are locus, stability, and controllability, with intentionality and globality as other possible causal properties As documented in Chapter 4, the perceived stability of a cause influences the subjective probability of success following a previous success or failure; causes perceived as enduring increase the certainty that the prior outcome will be repeated in the future And all the causal dimensions, as well as the outcome of an activity and specific causes, influence the emotions experienced after attainment or nonattainment of a goal The affects linked to causal dimensions include pride (with locus), hopelessness and resignation (with stability), and anger, gratitude, guilt, pity, and shame (with controllability)
6,982 citations
TL;DR: The author gives 4 reasons for considering the hypothesis that moral reasoning does not cause moral judgment; rather, moral reasoning is usually a post hoc construction, generated after a judgment has been reached.
Abstract: Research on moral judgment has been dominated by rationalist models, in which moral judgment is thought to be caused by moral reasoning. The author gives 4 reasons for considering the hypothesis that moral reasoning does not cause moral judgment; rather, moral reasoning is usually a post hoc construction, generated after a judgment has been reached. The social intuitionist model is presented as an alternative to rationalist models. The model is a social model in that it deemphasizes the private reasoning done by individuals and emphasizes instead the importance of social and cultural influences. The model is an intuitionist model in that it states that moral judgment is generally the result of quick, automatic evaluations (intuitions). The model is more consistent than rationalist models with recent findings in social, cultural, evolutionary, and biological psychology, as well as in anthropology and primatology.
6,080 citations
Cites background from "The Evolution of Reciprocal Altruis..."
...Fiske’s third model, “equality matching,” involves the double-edged reciprocal altruism first described by Trivers (1971)....
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References
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01 Jan 1958TL;DR: The psychology of interpersonal relations as mentioned in this paper, The psychology in interpersonal relations, The Psychology of interpersonal relationships, کتابخانه دیجیتال و فن اطلاعات دانشگاه امام صادق(ع)
Abstract: The psychology of interpersonal relations , The psychology of interpersonal relations , کتابخانه دیجیتال و فن آوری اطلاعات دانشگاه امام صادق(ع)
15,254 citations
TL;DR: A genetical mathematical model is described which allows for interactions between relatives on one another's fitness and a quantity is found which incorporates the maximizing property of Darwinian fitness, named “inclusive fitness”.
14,730 citations
"The Evolution of Reciprocal Altruis..." refers background in this paper
...(3) One can advance the theoretical argument that kin selection under some circumstances should favor kin dispersal in order to avoid competition (Hamilton, 1964, 1969)....
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...Early hominid hunter-gatherer bands almost certainly (like today's hunter-gatherers) consisted of many close kin, and kin selection must often have operated to favor the evolution of some types of altruistic behavior (Haldane, 1955; Hamilton, 1964, 1969)....
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...For example, Hamilton (1964) has demonstrated that degree of relationship is an important parameter in predicting how selection will operate, and behavior which appears altruistic may, on knowledge of the genetic relationships of the organisms involved, be explicable in terms of natural selection:…...
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...(2) Nonrandom dispensation by reference to kin This case has been treated in detail by Hamilton (1964), who concluded that if the tendency to dispense altruism to close kin is great enough, as a function of the disparity between the average cost and benefit of an altruistic act, then a2 will…...
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...(3) Warning calls are functional outside the breeding season because there is usually a good chance that a reasonably close kin is near enough to be helped sufficiently (Hamilton, 1964; Maynard Smith, 1964)....
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Book•
24 Feb 1871
TL;DR: In this paper, secondary sexual characters of fishes, amphibians and reptiles are presented. But the authors focus on the secondary sexual characteristics of fishes and amphibians rather than the primary sexual characters.
Abstract: Part II. Sexual Selection (continued): 12. Secondary sexual characters of fishes, amphibians and reptiles 13. Secondary sexual characters of birds 14. Birds (continued) 15. Birds (continued) 16. Birds (concluded) 17. Secondary sexual characters of mammals 18. Secondary sexual characters of mammals (continued) 19. Secondary sexual characters of man 20. Secondary sexual characters of man (continued) 21. General summary and conclusion Index.
11,302 citations
TL;DR: The notion of complementarity and reciprocity in functional theory is explored in this article, enabling a reanalysis of the concepts of "survival" and "exploitation" and the need to distinguish between complementarity, reciprocity, and the generalized moral norm of reciprocity.
Abstract: The manner in which the concept of reciprocity is implicated in functional theory is explored, enabling a reanalysis of the concepts of "survival" and "exploitation." The need to distinguish between the concepts of complementarity and reciprocity is stressed. Distinctions are also drawn between (1) reciprocity as a pattern of mutually contingent exchange of gratifications, (2) the existential or folk belief in reciprocity, and (3) the generalized moral norm of reciprocity. Reciprocity as a moral norm is analyzed; it is hypothesized that it is one of the universal "principal components" of moral codes. As Westermarck states, "To requite a benefit, or to be grateful to him who bestows it, is probably everywhere, at least under certain circumstances, regarded as a duty. This is a subject which in the present connection calls for special consideration." Ways in which the norm of reciprocity is implicated in the maintenance of stable social systems are examined.
10,277 citations