IRCT20220502054728N1 IRCT 2022-09-13 Islamic Azad University Comparison of the effectiveness of Transdiagnostic treatment and Cognitive-behavioral therapy on Generalized anxiety disorder Comparison of the effectiveness of Transdiagnostic treatment and Cognitive-behavioral therapy on Emotional regulation, Depressive symptoms, Anxiety and Social adjustment of adolescents with Generalized anxiety disorder 2022-09-23 anticipated 45 Complete https://irct.ir/trial/63361 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Randomization will run by using the Software Allocation Random. We will use the simple randomization method to assign subjects to three study groups. We will assign a unique number to every member of our study's sample (from 1 to 45). An independent researcher makes random allocation codes using computer-generated random numbers. Then, we will use the random allocation generator software to randomly assign each number to experimental groups and control groups, Blinding description: The study was single blind. The patients in three groups (cognitive-behavioral therapy and integrated meta-diagnostic therapy and control group) did not know about the type of intervention that was performed. Also, the data analyst and the person conducting the assessments will be blind to the specific participant’s group. N/A Generalized anxiety disorder. Intervention 1: Intervention group: transdiagnostic treatment: In the present study, twelve 60-70 minute sessions (two sessions per week) of transdiagnostic treatment, according to the standard protocol of transdiagnostic treatment for generalized anxiety disorder (Barlow and Durand, 2011), will be used in the form of group counseling sessions. Intervention 2: Intervention group: cognitive-behavioral therapy: In the present study, twelve 60-70 minute sessions (two sessions per week) of cognitive-behavioral therapy, according to the standard protocol of transdiagnostic treatment for generalized anxiety disorder (Dagas and Robichaud, 2012; translation: Akbari, Cheiniforoshan and Abedi, 2015), will be used in the form of group counseling sessions. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information.