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Parental investment and sexual selection
The p,cnetics of sex nas now becn clarif ied, and Fishcr ( 1958 ) hrs produccd , n,od"l to cxplarn sex ratios at coDception, a nrodel recently extendcd to include special mccha_ nisms that operate under inbreeding (Hunrilron I96?).
The Evolution of Reciprocal Altruism
  • R. Trivers
  • Psychology
    The Quarterly Review of Biology
  • 1 March 1971
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
Natural Selection of Parental Ability to Vary the Sex Ratio of Offspring
Theory and data suggest that a male in good condition at the end of the period of parental investment is expected to outreproduce a sister in similar condition, while she is expected to outreproduce
Haploidploidy and the evolution of the social insect.
Evidence is presented from 20 species that the ratio of investment in monogynous ants is, indeed, about 1 : 3, and this discovery is subject to a series of tests, which provide quantitative evidence in support of kinship theory, sex ratio theory, and the assumption that the offspring is capable of acting counter to its parents' best interests.
Parent-Offspring Conflict
When parent-offspring relations in sexually reproducing species are viewed from the standpoint of the offspring as well as the parent, conflict is seen to be an expected feature of such relations. In
Genes in Conflict: The Biology of Selfish Genetic Elements
This book discusses three ways to achieve "Drive" within-Individual Kinship Conflicts rates of Spread Effects on the Host Population, and the study of Selfish Genetic Elements.
The evolution and psychology of self-deception.
This article argues that self-deception evolved to facilitate interpersonal deception by allowing people to avoid the cues to conscious deception that might reveal deceptive intent, and proposes that this is achieved through dissociations of mental processes, includingconscious versus unconscious memories, conscious versus unconscious attitudes, and automatic versus controlled processes.
The Elements of a Scientific Theory of Self‐Deception
  • R. Trivers
  • Psychology
    Annals of the New York Academy of Sciences
  • 1 April 2000
It is suggested that there may be multiple sources of self‐deception in the authors' own species, with important interactions between them, and a positive form of self-deception may serve to orient the organism favorably toward the future.