Comparison of the Effectiveness of Eye Movement Desensitization and Reprocessing (EMDR) with Acceptance and Commitment Therapy (ACT) on Re-experiencing, Avoidance, and Hyperarousal Symptoms in Individuals with Post-Traumatic Stress Disorder

Esmaeili, Nazanin; Vaziri, Shahram; Khalatbari, Javad

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year 15, Issue 3 (3rd Spring 2026 2026) Rooyesh 2026, 15(3): 247-256 | Back to browse issues page

Ethics code: IR.IAU.TNB.REC.1404.456

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Esmaeili N, Vaziri S, Khalatbari J. (2026). Comparison of the Effectiveness of Eye Movement Desensitization and Reprocessing (EMDR) with Acceptance and Commitment Therapy (ACT) on Re-experiencing, Avoidance, and Hyperarousal Symptoms in Individuals with Post-Traumatic Stress Disorder. Rooyesh. 15(3), 247-256.
URL: http://frooyesh.ir/article-1-7144-en.html

Comparison of the Effectiveness of Eye Movement Desensitization and Reprocessing (EMDR) with Acceptance and Commitment Therapy (ACT) on Re-experiencing, Avoidance, and Hyperarousal Symptoms in Individuals with Post-Traumatic Stress Disorder

Nazanin Esmaeili¹

, Shahram Vaziri ^*²

, Javad Khalatbari³

1- Department of Clinical Psychology, Ki.C., Islamic Azad University, Kish, Iran.
2- Department of Psychology, TeMS.C., Islamic Azad University, Tehran, Iran. vaziri@iau.ac.ir , vaziri@iau.ac.ir
3- Department of Psychology, To.C., Islamic Azad University, Tonekabon, Iran.

Abstract: (45 Views)

The present study compared the effectiveness of Eye Movement Desensitization and Reprocessing (EMDR) and Acceptance and Commitment Therapy (ACT) on re-experiencing, avoidance, and hyperarousal symptoms in individuals with Post-Traumatic Stress Disorder (PTSD). The study used a quasi-experimental pretest–posttest design with a control group and a three-month follow-up. The population included individuals with PTSD at Niayesh Hospital in 2025, from which 45 participants were purposively selected and randomly assigned to two experimental groups and one control group. The PTSD Checklist (PCL; Weathers et al., 1993) was used for assessment. Each experimental group received eight individual therapy sessions. Data were analyzed using repeated measures ANOVA. The findings showed that there were significant differences between the mean PTSD symptom scores of both intervention groups and the control group at the posttest and follow-up stages (P < 0.05). In addition, a significant difference was observed between the posttest and follow-up means of the two experimental groups (P < 0.05). Overall, the results indicated that EMDR had a greater effect in reducing re-experiencing, avoidance, and hyperarousal symptoms.

Keywords: Eye Movement Desensitization and Reprocessing, Acceptance and Commitment Therapy, Re‑experiencing, Avoidance, Hyperarousal, Post‑Traumatic Stress Disorder.

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Type of Article: Research | Subject: Clinical Psychology
Received: 2026/05/21 | Accepted: 2026/05/29 | ePublished: 2026/05/30