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Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
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Dyadic associations between testosterone and relationship quality in couples.

Robin S Edelstein1, Sari M van Anders2, William J Chopik1

  • 1Department of Psychology, University of Michigan, 530 Church Street, Ann Arbor, MI 48109, USA.

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High testosterone levels in both men and women are linked to lower relationship satisfaction and commitment. These findings suggest testosterone may be incompatible with maintaining nurturing relationships, even affecting partners.

Keywords:
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Area of Science:

  • Social Neuroscience
  • Human Behavior
  • Endocrinology

Background:

  • Testosterone is linked to mating effort but potentially conflicts with relationship maintenance due to its negative association with nurturance.
  • Previous research on testosterone and relationship quality in women is inconsistent, and dyadic associations in couples are understudied.

Purpose of the Study:

  • To investigate the association between testosterone levels and relationship quality (satisfaction, commitment, investment) in heterosexual couples.
  • To test the hypothesis that relationship quality is negatively associated with an individual's own and their partner's testosterone levels.

Main Methods:

  • Assessed relationship satisfaction, commitment, and investment in heterosexual couples.
  • Measured testosterone levels in both individuals within each couple.
  • Analyzed associations between individual testosterone levels and relationship quality metrics, including dyadic effects.

Main Results:

  • Testosterone was negatively associated with relationship satisfaction and commitment in both men and women.
  • Participant satisfaction and commitment were negatively related to their partner's testosterone levels.
  • These dyadic associations were more pronounced for women's testosterone levels influencing their partners.

Conclusions:

  • High testosterone levels may be incompatible with the maintenance of nurturant relationships.
  • Provides novel evidence for dyadic associations between testosterone and relationship quality in couples.
  • Highlights the interdependent nature of relationship processes and the need for social neuroendocrine research to consider these dynamics.