Adherence Reporting in Randomized Controlled Trials Examining Manualized Multisession Online Interventions: Systematic Review of Practices and Proposal for Reporting Standards

Ina Beintner   ^{1 *} , PhD ;   Bianka Vollert   ^{1 *} , Dipl Psych ;   Anna-Carlotta Zarski   ² , PhD ;   Felix Bolinski   ³ , MSc ;   Peter Musiat   ⁴ , PhD ;   Dennis Görlich   ⁵ , PhD ;   David Daniel Ebert   ² , PhD ;   Corinna Jacobi   ¹ , PhD

¹ Faculty of Psychology, School of Science, Technische Universität Dresden, Dresden, Germany

² Institute of Psychology, Faculty of Humanities, Social Sciences, and Theology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany

³ Department of Clinical, Neuro- and Developmental Psychology, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands

⁴ Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom

⁵ Institute of Biostatistics and Clinical Research, Faculty of Medicine, Westfälische Wilhelms-Universität Münster, Münster, Germany

*these authors contributed equally