Effectiveness of Mentalization-Based Training on Emotion Regulation and Aggression in Adolescents

Mentalization Emotion Regulation Aggression Adolescents School-Based Intervention

Authors

  • Esmat Ramazi Ph.D. Student, Department of Psychology, Arak Branch, Islamic Azad University, Arak, Iran.
  • Alireza Zolfaghari
    ar.zolfaghari@iau.ac.ir
    Assistant Professor, Department of Psychology and Educational Sciences, Tuiserkan Branch, Islamic Azad University, Tuiserkan, Iran.
  • Firozeh Zanganeh Motlagh Assistant Professor, Department of Psychology, Arak Branch, Islamic Azad University, Arak, Iran.
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Objective: This study aimed to evaluate the effectiveness of a mentalization-based intervention in improving emotion regulation and reducing aggression among adolescent boys and girls.

Methods and Materials: A quasi-experimental pretest-posttest control group design with a 3-month follow-up was implemented. A total of 60 first-year secondary school students (30 boys and 30 girls), aged 13 to 15, were selected via cluster random sampling in Arak, Iran. Participants were randomly assigned to an experimental group (received eight sessions of mentalization training) and a control group. Emotion regulation was assessed using the Emotion Regulation Questionnaire for Children and Adolescents (ERQ-CA), and aggression was measured using the Buss and Perry Aggression Questionnaire. Data were analyzed using repeated measures ANOVA in SPSS v27.

Findings: Mentalization training significantly increased cognitive reappraisal and decreased emotional suppression and all subtypes of aggression (physical, verbal, anger, and hostility) in the experimental group (p < 0.05). These effects were sustained at the 3-month follow-up. Gender differences were found only in suppression and verbal aggression, with boys scoring higher. The interaction effect of group and gender was significant for suppression and some aggression subtypes.

Conclusion: Mentalization training is an effective intervention for enhancing emotion regulation and reducing aggressive behaviors in adolescents. It shows promise for implementation in school-based psychological services. The findings also highlight gender-specific patterns in emotional and behavioral outcomes, suggesting a need for tailored interventions.