Examining the Efficacy of the Unified Transdiagnostic Treatment on Social Anxiety and Positive and Negative Affect in Students

Background: Social anxiety is an extremely harmful disorder affecting many aspects of life and causes limited capability of encountering social situations among individuals. Objectives: The purpose of this study was to examine the efficacy of the unified transdiagnostic treatment on social anxiety and positive and negative affect in students. Methods: The statistical population of this study included all female undergraduate students with social anxiety in Ahvaz Jundishapur University of Medical Sciences. 32 female undergraduate students of medical sciences university of Ahvaz were selected among those with social anxiety score of 19 or more (cut-off score) through multistage random samplingmethodand were randomly placed in experimental and control groups. Social phobia inventory (SPIN) and positive and negative affect schedule (PANAS) were implemented on subjects of both groups before and after conducting the intervention. Unified transdiagnostic treatment was performed on the experimental group within 8 sessions of 90 minutes, but the control group received no intervention. Data were analyzed by multivariate covariance analysis. Results: Results showed a significant difference between experimental and control groups in terms of social anxiety and negative and positive affect, and unified transdiagnostic treatmenthas reduced social anxiety and negative affect and also has increased positive affect in experimental group. Conclusions: It may be concluded based on the results of this study that unified transdiagnostic treatment is effective on recovery of social anxiety and negative and positive affects among the students. Therefore, clinical therapists are advised to use this interven-