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Peer-Reviewed Publication
J Affect Disord2025;390119878.December 1, 2025Journal Article

Comparative effectiveness and user-rated helpfulness of digital just-in-time adaptive interventions for psychological distress.

Julia S Yarrington1, Allison Metts2, Jose H Vargas3, Diego D Couto3, Thiago Marafon3, Zachary D Cohen4
1Department of Psychology, University of California, Los Angeles, Los Angeles, CA 90095, United States of America; Department of Psychology, University of Arizona, Tucson, AZ 85721, United States of America. Electronic address: yarringtonjs@g.ucla.edu.
2Department of Psychology, University of California, Los Angeles, Los Angeles, CA 90095, United States of America.
3Youper, Inc., San Francisco, CA 94104, United States of America.
4Department of Psychology, University of Arizona, Tucson, AZ 85721, United States of America.

Abstract

Digital just-in-time adaptive interventions (JITAIs), or interventions that can be offered in a context when support is needed most, represent a promising development for improving scalable, personalized interventions. However, the comparative efficacy of specific JITAIs has yet to be examined. The present study examines engagement with and usefulness of JITAIs provided through a mental health app…

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