Background and purpose: Up to now, various studies have investigated the relationships between attachment styles and psychological disorders in childhood, adolescence, and adulthood. These studies have generally been indicative of the undeniable importance of attachment styles as a key factor in the development of emotional-behavioral disorders among children and adolescents. Current study aimed to investigate the relationships between attachment styles and conduct disorder.

Method: Present research was a descriptive correlational study. The population consisted of all the students between 9 to 11 years old, who studied in Bandar Abbas schools in the 1391-92 academic year. The sample consisted of 365 students that were selected using random sampling method. Data were collected using Child Symptom Inventory (1984) and Attachment Style Questionnaire (2005), and analyzed using correlation coefficient test and regression analysis.

Results: Results indicated significant positive correlations between conduct disorder and insecure, ambivalent, and disorganized attachment styles, while the there was no significant correlation between conduct disorder and secure or avoidant attachment styles. The results of regression analysis showed that secure and avoidant attachment styles could explained 13 percent of the variance of conduct disorder among students.

Conclusion: According to our findings, parent-child relationship is one of the important factors in child development and has a significant role in children’s psychological health.

Keywords: conduct disorder, attachment styles, students