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The Effectiveness of Dialectical Behavior Therapy on Self-Injury and Impulsive Behaviors in Twelfth-Grade Students
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Gholamreza Talebi *   , Hamid Reza Nikyar , Heydar Shirzadi |
| Assistant Professor of Health Psychology, Department of Medicine, Na.C., Islamic Azad University, Najafabad, Iran. |
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Abstract: (67 Views) |
The present study aimed to investigate the effectiveness of Dialectical Behavior Therapy (DBT) on self-injury and impulsive behaviors among 12th-grade male students. The research employed a quasi-experimental design with a pretest-posttest and control group. The statistical population included all 12th-grade students in Isfahan County. Based on inclusion criteria, 34 students were selected through convenient non-random sampling and were randomly assigned to experimental and control groups (17 participants in each group).
Data were collected using the Self-Harm Inventory (SHI) and the Barratt Impulsiveness Scale (BIS-11). The experimental group received 10 weekly DBT sessions (each lasting 60 minutes), while the control group remained on a waiting list. Data were analyzed using univariate and multivariate covariance analysis (ANCOVA and MANCOVA) in SPSS-26 software.
The findings revealed that group DBT had a significant effect on reducing self-injury and impulsive behaviors among students (p < .001). The effect sizes for impulsive behaviors and self-injury were 0.693 and 0.435, respectively.
Based on the results, Dialectical Behavior Therapy can be considered an effective intervention approach for reducing high-risk behaviors among adolescents.
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| Keywords: Dialectical Behavior Therapy, Self-Injury, Impulsive Behaviors, Students |
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Type of Study: Applicable |
Subject:
Special
Received: 2025/10/20 | Revised: 2026/02/4 | Accepted: 2026/01/28
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| Send email to the article author |
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