No Evidence for Associations between men’s Salivary Testosterone and Responses on the Intrasexual Competitiveness Scale

Jaimie S. Torrance*, Amanda C. Hahn, Michal Kandrik, Lisa M. DeBruine, Benedict C. Jones

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Objectives: Many previous studies have investigated relationships between men’s competitiveness and testosterone. For example, the extent of changes in men’s testosterone levels following a competitive task predicts the likelihood of them choosing to compete again. Recent work investigating whether individual differences in men’s testosterone levels predict individual differences in their competitiveness have produced mixed results. Methods: In light of the above, we investigated whether men’s (N = 59) scores on the Intrasexual Competitiveness Scale were related to either within-subject changes or between-subject differences in men’s salivary testosterone levels. Results: Men’s responses on the Intrasexual Competitiveness Scale did not appear to track within-subject changes in testosterone. By contrast with one recent study, men’s Intrasexual Competitiveness Scale also did not appear to be related to individual differences in testosterone. Conclusions: Our results present no evidence for associations between men’s testosterone and their responses on the Intrasexual Competitiveness Scale.

Original languageEnglish
Pages (from-to)321-327
Number of pages7
JournalAdaptive Human Behavior and Physiology
Volume4
Issue number3
Early online date5 Jun 2018
DOIs
Publication statusPublished - Sept 2018

Funding

This research was supported by an ERC grant awarded to BCJ, and ESRC studentship awarded to MK. Data files and analysis scripts are publicly available at https://osf.io/abqun/ On behalf of all authors, the corresponding author states that there is no conflict of interest.

FundersFunder number
Economic and Social Research Council
European Research Council

    Keywords

    • Cortisol
    • Intrasexual competitiveness
    • Testosterone

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