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Dead or Alive? Knowledge about a Sibling's Death Varies by Genetic Relatedness in a Modern Society

Pollet, T. V. & Nettle, D., 2009, In : Evolutionary Psychology. 7, 1, p. 57-65 9 p.

Research output: Contribution to journalArticleAcademicpeer-review

  • Thomas V. Pollet
  • Daniel Nettle

Using a large sample of non-institutionalized individuals from the Netherlands (n = 7610), we examined the influence of relatedness on an individual's knowledge about whether their sibling is alive or not. Respondents were generally less likely to know whether their sibling was alive if they were not fully related. The effects were stronger for differences between paternal half-siblings and full siblings than for differences between maternal half-siblings and full siblings.

Original languageEnglish
Pages (from-to)57-65
Number of pages9
JournalEvolutionary Psychology
Volume7
Issue number1
Publication statusPublished - 2009

    Keywords

  • kin selection, siblings, human family, death, social cognition, WESTERMARCK THEORY, FAMILY, INCEST, HOMICIDE, ALTRUISM, KINSHIP

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