Introduction: irratability and inability to self-inhibit anger are among the diagnostic criteria of disruptive mood dysregulation disorder. The purpose of this study was to investigate the effectiveness of cognitive behavioral therapy based on mindfulness on irritability and self-inhibition of female students with disruptive mood dysregulation disorder.
Method: was semi-experimental, pretest-posttest with a control group. The statistical population of this study was all students with disruptive mood dysregulation disorders in the age range of 14-17 years in schools of Baharestan city. Among them, 35 people were selected by available sampling method based on the inclusion criteria and randomly assigned to the experimental and control groups. The research instruments for measuring irritability included the Striggerzo et al(2012). Emotional Reactivity Scale Weinberger-Schwartz Questionnaire(1990) for measuring self-restraint. The subjects in the experimental group underwent 10 sessions of 60 minutes under the intervention of mindfulness integrated cognitive behaviore Therapy whit Kelly protocol (2007), and the control group did not receive any intervention. Multivariate analysis of covariance was used to analyze the data.
Results: The results of data analysis showed that the experimental group in comparison with the control group in the rate of irritability, decreased and in self-inhibition and their components had a significant increase (P <0.05).
Conclusion: According to the findings of the study, mindfulness-based cognitive-behavioral therapy was effective in students with disruptive mood dysregulation disorder by reducing irritability and increasing self-restraint.