Sex differences in testosterone reactivity during marital conflict
Abstract
When attempting to resolve relationship problems, individuals in close relationships sometimes challenge their partners with statements that oppose their partners' point of view. Such oppositional behaviors may undermine those partners' relational value and threaten their status within the relationship. We examined whether perceptions of opposition from a partner during a series of problem-solving interactions were associated with reactivity in testosterone levels and whether those associations were different for men and women. Fifty newlywed couples discussed four marital problems. Each member of the couple reported how much oppositional behavior they perceived from their partner during the discussions. Pre- and post-discussion saliva samples were assayed for testosterone. For men, but not for women, perceptions of oppositional behavior were associated with heightened testosterone reactivity, and this result replicated across three different measures of testosterone reactivity. Findings were specific to men's perceptions of oppositional behavior, and held controlling for objective measures of oppositional behavior coded from videos of the conversations. Results highlight the benefits of considering pair-bonded relationships as a novel context for investigating associations involving hormones and behavior. Findings also raise the possibility that sex differentiated hormonal reactions to opposition partly explain why conflict among heterosexual partners can be so divisive.
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