Hormonal contraceptive use, not menstrual cycle phase, is associated with reduced interest in competition

IF 3 1区 心理学 Q1 BEHAVIORAL SCIENCES Evolution and Human Behavior Pub Date : 2024-08-31 DOI:10.1016/j.evolhumbehav.2024.106616
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Abstract

Despite numerous studies attempting to understand the influence of fertility and hormonal contraceptives on competitive outcomes, the association between these variables remain a contentious issue. Using a longitudinal, online diary study with over 5600 daily observations (N = 302 community and undergraduate student participants), we explored the effects of fertility probability and hormonal contraceptive use on a range of self-report competitive outcomes. Specifically, we sought to replicate existing findings by examining whether self-reported competitive motivation increases mid-cycle and how hormonal contraceptive use affects these patterns. We also sought to extend this literature by collecting a range of self-report measures of competitive behavior across the menstrual cycle. Using an evolutionary and data-driven framework, we combined six behaviors females use to compete for mates and status: gossip, social comparison, negative evaluations of others, appearance enhancement, giving advice and taking sexy self-portraits. Contrary to our predictions, fertility probability was not associated with fluctuations in self-reported competitive motivation or behavior. However, replicating existing literature, hormonal contraceptive users reported a general lack of interest in competition compared to non-users. This latter finding raises important questions about the long-term implications of hormonal contraceptive use and suggests a need for further research to investigate the psychosocial effects of hormonal contraceptives. Finally, as a near direct replication of an existing longitudinal study, the current research offers a unique contribution by considering the role of context in hormone mediated research. We question the idea that a failure to replicate reflects the quality of the theory or the research, but instead suggest that context should be considered when developing psychological theory.

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使用荷尔蒙避孕药(而非月经周期阶段)与竞赛兴趣降低有关
尽管有许多研究试图了解生育率和荷尔蒙避孕药对竞技结果的影响,但这些变量之间的关联仍然是一个有争议的问题。我们利用一项纵向在线日记研究,每天观察超过 5600 次(N = 302 名社区和本科生参与者),探讨了生育概率和激素避孕药的使用对一系列自我报告的竞技结果的影响。具体来说,我们试图通过研究自我报告的竞争动机是否会在周期中期增加,以及激素避孕药的使用如何影响这些模式,来复制现有的研究结果。我们还试图通过收集月经周期中一系列自我报告的竞争行为测量指标来扩展这些文献。利用进化和数据驱动的框架,我们综合了女性用来竞争配偶和地位的六种行为:闲聊、社会比较、对他人的负面评价、提升外表、提供建议和拍摄性感自画像。与我们的预测相反,生育概率与自我报告的竞争动机或行为的波动无关。然而,与现有文献相同的是,与不使用激素避孕药的人相比,使用激素避孕药的人普遍对竞争缺乏兴趣。后一项发现提出了使用激素避孕药的长期影响的重要问题,并表明需要进一步研究激素避孕药对社会心理的影响。最后,作为对现有纵向研究的近乎直接的复制,本研究通过考虑环境在激素媒介研究中的作用做出了独特的贡献。我们对 "复制失败反映了理论或研究的质量 "这一观点提出质疑,并建议在发展心理学理论时应考虑背景因素。
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来源期刊
Evolution and Human Behavior
Evolution and Human Behavior 生物-行为科学
CiteScore
8.30
自引率
9.80%
发文量
62
审稿时长
82 days
期刊介绍: Evolution and Human Behavior is an interdisciplinary journal, presenting research reports and theory in which evolutionary perspectives are brought to bear on the study of human behavior. It is primarily a scientific journal, but submissions from scholars in the humanities are also encouraged. Papers reporting on theoretical and empirical work on other species will be welcome if their relevance to the human animal is apparent.
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