The Impact of Video-Based Microinterventions on Attitudes Toward Mental Health and Help Seeking in Youth: Web-Based Randomized Controlled Trial

Diana Lemmer   ^{1, 2} , MSc ;   Markus Moessner   ¹ , PD, PhD ;   Nicolas Arnaud   ³ , PhD ;   Harald Baumeister   ⁴ , Prof Dr ;   Agnes Mutter   ⁴ , MSc ;   Sarah-Lena Klemm   ⁵ , BSc ;   Elisa König   ⁶ , Dipl-Psych ;   Paul Plener   ^{6, 7} , Prof Dr Med ;   Christine Rummel-Kluge   ⁵ , Prof Dr Med ;   Rainer Thomasius   ³ , Prof Dr Med ;   Michael Kaess   ^{8, 9} , Prof Dr Med ;   Stephanie Bauer   ^{1, 2, 10} , Prof Dr

¹ Center for Psychotherapy Research, Center for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany

² Ruprecht-Karls University Heidelberg, Heidelberg, Germany

³ German Centre for Addiction Research in Childhood and Adolescence, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

⁴ Department of Clinical Psychology and Psychotherapy, Ulm University, Ulm, Germany

⁵ Department of Psychiatry and Psychotherapy, University of Leipzig Medical Center, Leipzig, Germany

⁶ Department of Child and Adolescent Psychiatry and Psychotherapy, University Hospital Ulm, Ulm, Germany

⁷ Department of Child and Adolescent Psychiatry, Medical University of Vienna, Vienna, Austria

⁸ University Hospital of Child and Adolescent Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland

⁹ Clinic of Child and Adolescent Psychiatry, Center for Psychosocial Medicine, University Hospital Heidelberg, Heidelberg, Germany

¹⁰ German Center for Mental Health (DZPG), Partner site Mannheim/Heidelberg/Ulm, Heidelberg, Germany