APS

2026 APS Annual Convention · 2026

Trauma-Related Betrayal Partially Mediates the Association between Interpersonal Trauma and More Severe Posttraumatic Stress

Barcelona, Spain · May 2026

Posters · Mind Under Pressure: Stress, Trauma & Resilience

  • Elizabeth Lee
    University of Nevada, Reno
  • Taylor Tardibuono
    University of Nevada, Reno
  • Anna Cole
    University of Nevada, Reno
  • Cynthia Lancaster
    University of Nevada, Reno

Abstract

Interpersonal traumas confer risk for more severe posttraumatic stress. A mediation analysis revealed that trauma-related betrayal explains a significant proportion of this risk (≈57% mediated). Our findings indicate that trauma-related betrayal may be an important risk factor and may help identify individuals at risk for more severe posttraumatic stress symptoms.

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