The mediating role of anger rumination in relations of affective temperaments with symptoms of conduct disorder in adolescents

Introduction: the temperamental traits are considered as an important risk factor for conduct disorder and the mechanisms of this relations is not clear. The aim of this study was investigating the mediating role of anger rumination in relations of affective temperaments with symptoms of conduct disorder in adolescents Methods: The method of this study was descriptive- correlational. The statistical population included all first and second periods of high school students in Urmia city in the 2020-2021 academic years. Two hundred and twenty people were selected by multistage random sampling method and answered to the strengths and difficulties questionnaire (SDQ), affective and emotional composite temperaments scale (AFECT) and anger rumination scale (ARS). Data were analyzed using structural equation modeling via SmartPLS 3. Results: The results of structural equation modeling showed that internalized and stalble temperaments has negative direct effect on symptoms of conduct disorder, while the externalised and unstable temperament has positive direct effect on symptoms of conduct disorder. Furthermore, externalized and stable temperaments via negative effect on anger rumination and internalized and unstable temperament via positive effect on rumination have indirect effect on symptoms of conduct disorder (p<0.05). Conclusion: These results conveals that externalized and unstable temperaments can be act as a risk factor and internalized and stable temperaments can be act as a protective factor for symptoms of concuct disorder. Anger rumination also mediate the relations of affective temperaments with symptoms of conduct disorder.