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Patterns of paternal investment predict cross-cultural variation in jealous response.
Scelza, Brooke A; Prall, Sean P; Blumenfield, Tami; Crittenden, Alyssa N; Gurven, Michael; Kline, Michelle; Koster, Jeremy; Kushnick, Geoff; Mattison, Siobhán M; Pillsworth, Elizabeth; Shenk, Mary K; Starkweather, Kathrine; Stieglitz, Jonathan; Sum, Chun-Yi; Yamaguchi, Kyoko; McElreath, Richard.
Afiliação
  • Scelza BA; University of California, Los Angeles, CA, USA. bscelza@anthro.ucla.edu.
  • Prall SP; University of California, Los Angeles, CA, USA. sprall@ucla.edu.
  • Blumenfield T; Yunnan University, Kunming, China.
  • Crittenden AN; University of Nevada Las Vegas, Las Vegas, NV, USA.
  • Gurven M; University of California, Santa Barbara, CA, USA.
  • Kline M; Simon Fraser University, Vancouver, BC, Canada.
  • Koster J; University of Cincinnati, Cincinnati, OH, USA.
  • Kushnick G; Australian National University, Canberra, ACT, Australia.
  • Mattison SM; Department of Anthropology, University of New Mexico, Albuquerque, NM, USA.
  • Pillsworth E; California State University, Fullerton, CA, USA.
  • Shenk MK; Pennsylvania State University, University Park, PA, USA.
  • Starkweather K; Department of Anthropology, University of New Mexico, Albuquerque, NM, USA.
  • Stieglitz J; Institute for Advanced Study in Toulouse, Toulouse, France.
  • Sum CY; University of Rochester, Rochester, NY, USA.
  • Yamaguchi K; Liverpool John Moores University, Liverpool, UK.
  • McElreath R; Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
Nat Hum Behav ; 4(1): 20-26, 2020 01.
Article em En | MEDLINE | ID: mdl-31332300
ABSTRACT
Long-lasting, romantic partnerships are a universal feature of human societies, but almost as ubiquitous is the risk of instability when one partner strays. Jealous response to the threat of infidelity is well studied, but most empirical work on the topic has focused on a proposed sex difference in the type of jealousy (sexual or emotional) that men and women find most upsetting, rather than on how jealous response varies1,2. This stems in part from the predominance of studies using student samples from industrialized populations, which represent a relatively homogenous group in terms of age, life history stage and social norms3,4. To better understand variation in jealous response, we conducted a 2-part study in 11 populations (1,048 individuals). In line with previous work, we find a robust sex difference in the classic forced-choice jealousy task. However, we also show substantial variation in jealous response across populations. Using parental investment theory, we derived several predictions about what might trigger such variation. We find that greater paternal investment and lower frequency of extramarital sex are associated with more severe jealous response. Thus, partner jealousy appears to be a facultative response, reflective of the variable risks and costs of men's investment across societies.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Relações Pais-Filho / Parceiros Sexuais / Comparação Transcultural / Ciúme Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male Idioma: En Revista: Nat Hum Behav Ano de publicação: 2020 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Relações Pais-Filho / Parceiros Sexuais / Comparação Transcultural / Ciúme Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Adult / Female / Humans / Male Idioma: En Revista: Nat Hum Behav Ano de publicação: 2020 Tipo de documento: Article