About the Authors

Silja Litvin

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Writing – original draft

silja@psycapp.com

Affiliation Department of General Psychology II (Emotion and Motivation), Ludwig Maximilian University of Munich, Munich, Germany

Rob Saunders

Roles Formal analysis, Methodology, Validation, Visualization

Affiliation Research Department of Clinical, Educational and Health Psychology, Centre for Outcomes Research and Effectiveness, University College London, London, United Kingdom

Markus A. Maier

Roles Conceptualization, Formal analysis, Resources, Writing – review & editing

Affiliation Department of General Psychology II (Emotion and Motivation), Ludwig Maximilian University of Munich, Munich, Germany

Stefan Lüttke

Roles Project administration, Validation, Writing – original draft

Affiliation Department of Clinical Psychology and Psychotherapy, University of Tübingen, Tübingen, Germany

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: I, Silja Litvin, am the majority shareholder of the company PsycApps Limited, which developed eQuoo, the game used in the test group for this trial. The corresponding authors have no other conflicts of interest associated with this publication, and there has been no significant financial support for this work that could have influenced its outcome. This does not alter our adherence to PLOS ONE policies on sharing data and materials.