ABSTRACT The present study aimed to compare the effectiveness of schema therapy and dialectical behavior therapy on interpersonal relationships in patients with borderline personality disorder. From a methodological perspective, this research employed a quasi-experimental design with a pretest–posttest control group. The statistical population included all individuals who, with a diagnosis or symptoms of borderline personality disorder, had referred to psychiatric centers, psychological service providers, and clinics in the city of Tehran during the years 2024 to 2025. The study sample consisted of 45 patients selected through purposive nonrandom sampling and subsequently randomly assigned to three groups of 15 participants each (two experimental groups and one control group). The first experimental group received group schema therapy in 16 sessions of 60 minutes each, while the second experimental group underwent group dialectical behavior therapy in 16 sessions of 60 minutes each. The control group did not receive any therapeutic intervention during the course of the study. Data collection instruments included the Structured Clinical Interview for Personality Disorders, the Borderline Personality Questionnaire, and the Interpersonal Relationships Questionnaire developed by Mahmoudi et al. (2016). The collected data were analyzed using repeated-measures analysis of variance. The results indicated a significant difference between the effectiveness of the two therapeutic approaches across the components of interpersonal relationships. Accordingly, it can be concluded that schema therapy, compared to dialectical behavior therapy, demonstrates greater effectiveness in improving interpersonal relationships in patients with borderline personality disorder and can be considered an efficient intervention for enhancing interpersonal functioning in this population.
Parisa Zakerzadeh, T. Tizdast, Tahmoores Aghajanihashjin· Mental Health and Lifestyle...· 0 citations
The present study aimed to compare the effectiveness of Cognitive Behavioral Therapy (CBT) and Schema Therapy (ST) on reducing catastrophizing in young adults with depressive symptoms. This applied study employed a quasi-experimental pretest–posttest design with a control group and a two-month follow-up period. The statistical population consisted of young adults diagnosed with depressive disorder who referred to counseling and psychological clinics in District 1 of Tehran between December 2024 and June 2025. From 224 eligible individuals, 45 participants meeting the inclusion criteria were selected using purposive sampling and randomly assigned to three groups: CBT (n = 15), ST (n = 15), and control (n = 15). Both intervention groups participated in eight structured group therapy sessions based on standardized treatment protocols, while the control group received no psychological intervention during the study period. Data were collected using validated self-report measures assessing depressive symptoms and catastrophizing. Statistical analysis was conducted using repeated measures analysis of variance (ANOVA) and Bonferroni post hoc tests in SPSS version 26, after verifying statistical assumptions. The results of repeated measures ANOVA indicated a significant main effect of time (p < 0.001) and a significant time × group interaction effect (p < 0.001) on catastrophizing, while the main effect of group was not statistically significant (p > 0.05). Bonferroni post hoc comparisons showed that both CBT and ST groups had significantly lower posttest catastrophizing scores compared to the control group (p < 0.001). However, no statistically significant difference was observed between the CBT and ST groups at posttest (p > 0.05). Pairwise comparisons across time demonstrated significant reductions in catastrophizing from pretest to posttest and from pretest to follow-up in both intervention groups (p < 0.001), with maintenance of treatment effects at follow-up. Both Cognitive Behavioral Therapy and Schema Therapy were effective in significantly reducing catastrophizing in young adults with depressive symptoms, and their effects were sustained over time; however, no significant difference was found between the two interventions in terms of overall effectiveness.
Shily Rahemi Nooran, T. Tizdast, Bita Nasrolahi· Mental Health and Lifestyle...· 0 citations
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