About the Authors

Mallory C. Kidwell

Mallory@cos.io; Mallory.Kidwell@utah.edu

Affiliation Center for Open Science, Charlottesville, Virginia, United States of America

Ljiljana B. Lazarević

Affiliation University of Belgrade, Belgrade, Serbia

Erica Baranski

Affiliation University of California, Riverside, Riverside, California, United States of America

Tom E. Hardwicke

Affiliation University College London, London, United Kingdom

Sarah Piechowski

Affiliation Max Planck Institute for Research on Collective Goods, Bonn, Germany

Lina-Sophia Falkenberg

Affiliation Max Planck Institute for Research on Collective Goods, Bonn, Germany

Curtis Kennett

Affiliation Mississippi State University, Starkville, Mississippi, United States of America

Agnieszka Slowik

Affiliation University of Vienna, Vienna, Austria

Carina Sonnleitner

Affiliation University of Vienna, Vienna, Austria

Chelsey Hess-Holden

Affiliation Mississippi State University, Starkville, Mississippi, United States of America

Timothy M. Errington

Affiliation Center for Open Science, Charlottesville, Virginia, United States of America

Susann Fiedler

Affiliation Max Planck Institute for Research on Collective Goods, Bonn, Germany

Brian A. Nosek

Affiliations Center for Open Science, Charlottesville, Virginia, United States of America, University of Virginia, Charlottesville, Virginia, United States of America

Competing Interests

Brian Nosek created the badges to acknowledge open practices, and Brian Nosek and Mallory Kidwell are on a committee maintaining the badges. The badges and specifications for earning them are CC0 licensed with no monetization. None of the authors have had administrative or editorial roles for the journals included in the study.

Author Contributions

Conceived and designed the experiments: MCK TME BAN. Performed the experiments: MCK LBL EB TEH SP LSF CK AS CS CHH SF. Analyzed the data: MCK. Contributed reagents/materials/analysis tools: MCK TME. Wrote the paper: BAN MCK SF. Commented on the manuscript: MCK LBL EB TEH SP LSF CK AS CS CHH TME SF BAN.