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Kin Selection and Male Homosexual Preference in Indonesia

Archives of sexual behavior, 2018-11, Vol.47 (8), p.2455-2465 [Peer Reviewed Journal]

Springer Science+Business Media, LLC, part of Springer Nature 2018 ;Archives of Sexual Behavior is a copyright of Springer, (2018). All Rights Reserved. ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0004-0002 ;EISSN: 1573-2800 ;DOI: 10.1007/s10508-018-1202-y ;PMID: 29797146

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  • Title:
    Kin Selection and Male Homosexual Preference in Indonesia
  • Author: Nila, Sarah ; Barthes, Julien ; Crochet, Pierre-Andre ; Suryobroto, Bambang ; Raymond, Michel
  • Subjects: Altruism ; Behavioral Science and Psychology ; Biodiversity ; Gays & lesbians ; Gender studies ; Humanities and Social Sciences ; Hypotheses ; Life Sciences ; Men ; Original Paper ; Populations and Evolution ; Psychology ; Public Health ; Sexual Behavior ; Sexual orientation ; Social Anthropology and ethnology ; Social Sciences
  • Is Part Of: Archives of sexual behavior, 2018-11, Vol.47 (8), p.2455-2465
  • Description: Male homosexual preference (MHP) challenges evolutionary thinking because the preference for male–male relationships is heritable, implies a fertility cost (lower offspring number), and is relatively frequent in some societies (2–6% in Western countries) for a costly trait. It has been proposed that individuals with a MHP counterbalance reproductive costs through the transfer of resources to kin, thereby improving their indirect reproduction through kin’s reproductive success. This kin selection hypothesis is not supported in Western countries and Japan, although consistent evidence has been obtained in Samoa. In this study, data from Java (Indonesia) were obtained to assess the avuncular tendencies of men with contrasting sexual orientation to measure possible resource transfer. Consistent with the kin selection hypothesis, males with a homosexual orientation reported an increased willingness to transfer resources toward nephews and nieces and declared having transferred more money to nephews and nieces. We developed a method to quantitatively estimate the contribution of kin selection on inclusive reproduction associated to sexual orientation, taking into account various possible biases. Kin selection reduced the direct reproductive cost of homosexual men by 20%, so suggesting that kin selection alone is insufficient to explain the maintenance of male homosexuality. Other potential factors are discussed, as well as the limitations of the study and the social determinant operating for the expression of increased avuncular tendencies of homosexual men.
  • Publisher: New York: Springer US
  • Language: English
  • Identifier: ISSN: 0004-0002
    EISSN: 1573-2800
    DOI: 10.1007/s10508-018-1202-y
    PMID: 29797146
  • Source: ProQuest One Psychology
    HAL SHS: Archive ouverte en Sciences de l'Homme et de la Société (Open Access)
    Hyper Article en Ligne (HAL) (Open Access)
    ProQuest Central
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