Abstract
Depression is the dominant root cause of disability across the globe and is highly prevalent among youth of Pakistan disrupting their social, occupational and personal relationships. Behavioral activation is influenced by third wave cognitive behavioral therapy and currently widely used treatment for many psychopathologies because of its efficiency, cost-effectiveness, uncomplicated nature. The present research is aimed to assess the effectiveness of the adapted version of the manual by conducting Randomized control Trial (RCT). For this purpose, hybrid approach is used thus, Brief Behavioral Activation treatment manual for depression was adapted using heuristic model for adapting interventions proposed by Castro (2006) and Ecological Validity Model. To study the effectiveness of the adapted treatment, participants was selected after screening for depressive symptoms using Patient Health Questionnare-9. Selected sample was allocated in treatment and control groups with a randomization ratio of 1:1. Mixed ANOVA will be used to assess the results.