Arezoo Palizyan - Department of Psychology, Shahid Chamran University of Ahvaz, Ahvaz, IR Iran
Seyede Fatemeh Sajadi - Young Researchers and Elite Club, Shiraz Branch, Islamic Azad University, Shiraz, IR Iran
Mahnaz Mehrabizadeh Honarmand - Department of Psychology, Shahid Chamran University of Ahvaz, Ahvaz, IR Iran
Nasrin Arshadi - Department of Psychology, Shahid Chamran University of Ahvaz, Ahvaz, IR Iran

Background: Previous research has demonstrated that oppositional defiant is a strong predictor of mental illness that cause significantdistress for adolescents who manifest the disorder and pose remarkable costs for society.Objectives: The aim of this study was to investigate the role of callous-unemotional traits and emotion regulation difficulties in predictingoppositional defiant disorder.Materials and Methods: This is a descriptive-correlative study performed on a sample of 320 male high school students, chosen viamulti-stage random sampling. Instruments used to collect data are inclusive of oppositional defiant behavior inventory (ODBI), difficultiesin emotion regulation strategies scale (DERS) and inventory of callous-unemotional traits (ICU).Results: The results suggest a significant relationship between oppositional defiant behavior, impulse control difficulties and callousness.Regression analysis revealed that 16% variance of oppositional defiant behavior can be explained by impulse control difficultiesand callousness.Conclusions: Our findings highlight the importance of callousness and impulse control difficulties in development of oppositionaldefiant disorder. Moving forward, clinicians should consider the importance of these variables in their future research to identify mechanismthrough which callousness and impulse control difficulties enhances risk of oppositional defiant disorder.

Oppositional Defiant Behavior, Callous-Unemotional Traits, Emotion Regulation