The effectiveness of purposeful based multi-family group therapy on selfconcept and problematic behavior of adolescents

Objective: This article depicts a multi-family group therapy model based on purposeful parenting concept.The aim of this study was to investigate the effectiveness of purposeful based multi-family group therapy onself-concept and problematic behaviors of adolescents.Methods: Participants included 24 junior girl students and their parents that were randomly assigned toexperimental and sham-control groups, and 10 girls that waiting for the treatment in control group. 13weekly intervention of multi-family group therapy were conducted. Self-concept and problematic behaviorof adolescents was assessed before, after and 60 day later than the intervention.Results: Results showed that self-concept of adolescents increased after purposeful based multi-family grouptherapy in experimental group and moderation of intra-family relationships that was result of theintervention, effects problematic behaviors in girls.Conclusion: Multi-family group therapy is the applied method for clinicians in adolescent‟s therapyespecially in the field that problematic relationships among family and inefficient parenting cause toproblematic behaviors in adolescents. The study can be the guideline for clinician that work with familiesand adolescents to reconstruct the family relationships with the aim of family and adolescent‟s success andsatisfaction.

Keywords:

Adolescent , Multi-family group therapy , Purpose , Problematic behavior , Self-concept