Efficacy of a Web-Based Peer-To-Peer Cognitive Reappraisal Platform: a Randomized Controlled Trial

Robert R Morris, Stephen M Schueller, Rosalind W. Picard


Self-guided, Web-based interventions for depression show promising results but suffer from high attrition and low user engagement. Online peer support networks can be highly engaging, but they show mixed results and lack evidence-based content. Objective: Our aim was to introduce and evaluate a novel Web-based, peer-to-peer cognitive reappraisal platform designed to promote evidence-based techniques, with the hypotheses that (1) repeated use of the platform increases reappraisal and reduces depression and (2) that the social, crowdsourced interactions enhance engagement.

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