The Mediation Role of Family Function in the Relationship of Personality Dimensions of Temperament and Character with Internalized/Externalized Problems

The present research aimed to investigate the mediation role of family function in the relationship of personality dimensions of temperament and character with adolescents internalized and externalized problems. The current research method was correlational studies. The statistical population consisted of all male and female students of the second grade of high school in Andimshek city, Iran, during 2020-2021 academic year, out of which 326 people (165 girls and 161 boys) were selected by multi-stage cluster sampling method. To collect data, the youth self-report scale (Achenbach and Rescorella), the temperament and character inventory (Cloninger et al.), and the family assessment device (Epstein et al.) were used. Structural equation methods were used to analyze the data. The findings showed that the effect of temperament and character on internalized and externalized problems were confirmed through family function. It can be concluded that the family function played a mediation role in relationship to the temperament and character and internalized and externalized problems of adolescents, so it is recommended that psychologists, through training and interventions, improve family function by moderating personality dimensions to prevent, reduce, and improve the adolescents' internalized/externalized problems.