Volume 12, Issue 4 (3-2026)                   J Jiroft Univ Med Sci 2026, 12(4): 2091-2103 | Back to browse issues page

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Najaf B, Rasouli N. The Efficacy of Unified Transdiagnostic Treatment on Emotion Regulation and Anger in Patients with Post-traumatic Stress Disorder (PTSD). J Jiroft Univ Med Sci 2026; 12 (4) :2091-2103
URL: http://journal.jmu.ac.ir/article-1-904-en.html
1- Master of Science in Clinical Psychology, Faculty of Medicine, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran
2- Assistant professor, Department of Psychology, Faculty of Medicine, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran , narges.rasouli@yahoo.com
Abstract:   (18 Views)
Introduction: Post-traumatic stress disorder (PTSD) is associated with severe deficits in emotion regulation and high levels of anger, which can make treatment response difficult. The present study aimed to investigate the effectiveness of transdiagnostic integrated treatment in improving emotion regulation and reducing anger in patients with post-traumatic stress disorder.
Materials and Methods: This quasi-experimental study was conducted using a pre-test–post-test–follow-up (two-month) design with a control group. Using purposive sampling, 30 patients with PTSD were selected and randomly assigned to experimental (n=15) and control (n=15) groups. The experimental group received an eight session group-based transdiagnostic integrated treatment protocol. Data were collected at three time points using the Emotion Regulation Questionnaire (Gross & John, 2003) and the Multidimensional Anger Questionnaire (Siegel, 1986), and were analyzed using repeated measures analysis of variance.
Results:  The results of repeated-measures ANOVA showed a significant time × group interaction effect for emotion regulation (F= 20.246; p>0.05) and anger (F= 80.359; p>0.05). Bonferroni posthoc tests indicated significant improvement in the experimental group at post-test compared to pre-test for both variables (p<0.05), and this improvement remained stable at the two-month follow-up (p<0.05). In contrast, the control group showed no significant change.
Conclusion:  The findings suggest that transdiagnostic integrated treatment is an effective intervention for improving emotion regulation and reducing anger in patients with post-traumatic stress disorder. Incorporating this approach into clinical services can help manage the most challenging emotional symptoms of this disorder.
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Type of Study: Research | Subject: Medical Sciences / Psychiatry
Received: 2025/11/28 | Accepted: 2026/03/10 | Published: 2026/03/1

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