The purpose of this study was to evaluate the effectiveness of short-term dialectical behavior therapy (DBT) techniques on quality of life in adolescent girls with symptoms of borderline personality disorder. In a semi-experimental design ,after screening, among the eligible individuals and 54 applicants were randomly divided into two equal groups according to the score level, Experimental group received dialectical behavior therapy in intensive group method (12 sessions twice a day, 3 times a week), while control group did not receive treatment. Participants completed the Quality of Life Scale (SF-36) in three stages of pre-test, post-test and follow-up. Data were analyzed using Multivariate Analysis of Variance (MANCOVA). The results showed significant differences between the two groups in the post-test for the mean components:
1- Physical Function (0.003) 2- Role / Emotional Restriction (0.042) 3- Energy / Fatigue (0.001) 4- Emotional Well-being (0.001) 5- Social Function (0.003) 6- Pain (0.0010) 7- General Health (0.001) as well as total quality of life score (0.003).At 4-month follow-up, the results were also consistent in the components of physical performance (0.013), social performance (0.030), total quality of life (0.049).
