期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 113, 期 35, 页码 9774-9779出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1603443113
关键词
testosterone; cortisol groups; status; performance
资金
- Columbia Business School Eugene M. Lang Fund
- National Science Foundation [1451848]
- Canada Research Chairs Program [950-230493]
- Social Sciences and Humanities Research Council of Canada [435130767]
- Ontario Ministry of Research and Innovation
- Direct For Social, Behav & Economic Scie
- Division Of Behavioral and Cognitive Sci [1451848] Funding Source: National Science Foundation
Prior research has shown that an individual's hormonal profile can influence the individual's social standing within a group. We introduce a different construct-a collective hormonal profile-which describes a group's hormonal make-up. We test whether a group's collective hormonal profile is related to its performance. Analysis of 370 individuals randomly assigned to work in 74 groups of three to six individuals revealed that group-level concentrations of testosterone and cortisol interact to predict a group's standing across groups. Groups with a collective hormonal profile characterized by high testosterone and low cortisol exhibited the highest performance. These collective hormonal level results remained reliable when controlling for personality traits and group-level variability in hormones. These findings support the hypothesis that groups with a biological propensity toward status pursuit (high testosterone) coupled with reduced stress-axis activity (low cortisol) engage in profit-maximizing decision-making. The current work extends the dual-hormone hypothesis to the collective level and provides a neurobiological perspective on the factors that determine who rises to the top across, not just within, social hierarchies.
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