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Related Experiment Video

Updated: Dec 24, 2025

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Did awarding badges increase data sharing in BMJ Open? A randomized controlled trial.

Anisa Rowhani-Farid1,2, Adrian Aldcroft3, Adrian G Barnett2

  • 1Department of Pharmaceutical Health Services Research, University of Maryland, Baltimore, MD, USA.

Royal Society Open Science
|April 10, 2020
PubMed
Summary

An Open Data Badge did not significantly increase data sharing among researchers publishing in BMJ Open. This study found low data sharing rates in both intervention and control groups, suggesting a need for more effective incentives for open science.

Keywords:
data sharingincentivesopen sciencepolicyrandomized controlled trialreproducibility

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Area of Science:

  • Health and Medical Research
  • Open Science
  • Reproducible Research

Background:

  • Data and code sharing are crucial for reproducible research.
  • Evidence-based incentives and studies on data sharing policies are lacking.
  • The Open Data Badge was proposed as a potential incentive.

Purpose of the Study:

  • To evaluate the effectiveness of an Open Data Badge in increasing data sharing rates.
  • To assess the impact of offering an Open Data Badge on researchers publishing in BMJ Open.

Main Methods:

  • A parallel group randomized controlled trial was conducted with 160 research articles.
  • The intervention group received an offer for an Open Data Badge upon data sharing.
  • The control group received no badge offer.

Main Results:

  • The odds of awarding badges were nearly equal between groups (OR=0.9, 95% CI [0.1, 9.0]).
  • Data sharing rates were low in both groups, with only two datasets shared in each.
  • The Open Data Badge did not noticeably motivate researchers to share their data.

Conclusions:

  • The Open Data Badge was not an effective incentive for increasing data sharing in this study.
  • Low data sharing rates persist despite policies and tools for open science.
  • Developing effective incentives remains a key challenge for promoting researcher data sharing.