IRCT201201268829N1 IRCT 2012-04-18 Tehran University of Medical Sciences psychotherapy for depression A Comparative Study on the effect of Positive Psychotherapy and Group Cognitive-BehaviorTherapy for decreasing depression and increasing happiness and subjective wellbeing in Patients suffering from Major Depressive Disorder 2011-09-23 anticipated 18 Complete https://irct.ir/trial/9315 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A depression. Intervention 1: The subjects attended two-hour sessions per week for a total of twelve weeks meeting in Pardis Centre of Consulting and Psychological Services in Mashhad. As for group cognitive-behavioral treatment, the first six sessions were specified to using the behavioral techniques such as, welcoming and orientation, self-awareness and self-caring, daily activity scheduling, and behavioral assignments. During the last six sessions, the participants were acquainted with the cognitive techniques including teaching ABC technique, describing negative automatic thoughts and cognitive distortions, downward arrow, testing beliefs, logical analysis, self-reward and self punishment. Intervention 2: positive psychotherapy sassionswere as follows:. identify potential capabilities and strengths ,look for ways of strengthening those potentials afterwards. activity for finding the ways of appreciating positive affairs in life, describing four life styles: Nihilism, pleasure-seeking, competition and happiness (four coordinate axes) and their role in achieving happiness, producing life map andranking daily activities based on pleasure and meaningfulness as well as noting down the time allotted to each activity. hierarchy of values and coordinate life styles with the highest rank of values in the hierarchy,problem solving technique and summary and feedback.