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Predicting long-term risk for relationship dissolution using nonparametric conditional survival trees.

Sören Kliem1, Sarah Weusthoff2, Kurt Hahlweg2

  • 1Criminological Research Institute of Lower Saxony.

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Summary
This summary is machine-generated.

Identifying divorce risk factors is crucial for prevention. Emotional responses during conflict, like cortisol changes in men and vocal pitch variations in women, significantly predict long-term relationship stability.

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Area of Science:

  • Psychology
  • Sociology
  • Relationship Science

Background:

  • Relationship dissolution incurs significant individual and societal costs.
  • Preventing relationship distress often focuses on conflict resolution, but the predictive power of conflict-specific factors needs further examination.
  • Understanding predictors of divorce is vital for developing effective interventions.

Purpose of the Study:

  • To investigate whether emotional responding and communication during couple conflict predict long-term relationship dissolution.
  • To control for overall relationship quality and individual well-being when assessing these predictors.
  • To examine physiological and behavioral indicators of emotional responding during conflict.

Main Methods:

  • Nonparametric conditional survival trees were used to analyze data from 136 couples followed for 11 years.
  • Physiological measures (blood pressure, heart rate, cortisol) and behavioral measures (fundamental frequency, communication coding) were assessed.
  • Relationship satisfaction and depression symptoms were controlled for in the analysis.

Main Results:

  • 32.5% of couples experienced relationship dissolution by follow-up.
  • For men, cortisol change scores during conflict significantly predicted dissolution.
  • For women, fundamental frequency (f0) range during conflict significantly predicted dissolution.

Conclusions:

  • Emotional responding during couple conflict is a significant predictor of long-term relationship stability.
  • Specific physiological (cortisol) and behavioral (f0) markers during conflict are differentially predictive for men and women.
  • These findings underscore the importance of emotional regulation during marital conflict for relationship longevity.