The Effect of General Aggression Model Intervention and Dialectical Behavior Therapy Training on Aggression and Anger Rumination

This study aimed to compare the effectiveness of General Aggression Model and Dialectical Behavior Therapy on aggression and anger rumination in students. The research method was experimental with pre-test and post-test design and control group. The statistical population of the study was consisted of male first high school students of Shiraz in the academic year of 99-98, and forty-five students with high to high aggression scores were selected by random cluster sampling method and randomly assigned. General Aggression Model and Dialectical Behavior Therapy protocols were used to perform the interventions, and Aggression Scale (Buss and Warren, 2000), and Anger rumination scale (Sukhodolsky Golub & Cromwell, 20001) were used for data collection. MANOVA test was used to analyze the data and Findings showed that both General Aggression Model and Dialectical Behavior Therapy interventions had a significant effect on reducing aggression and anger rumination. There was also a significant difference between the effect of General Aggression Model and Dialectical Behavior Therapy in reducing aggression, but no significant difference was found in reducing anger rumination. According to the research findings, General Aggression Model can be used as a desirable method to reduce aggression and anger rumination.