Overconfidence is universal? Elicitation of Genuine Overconfidence (EGO) procedure reveals systematic differences across domain, task knowledge, and incentives in four populations

• Michael Muthukrishna ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: m.muthukrishna@lse.ac.uk

  Affiliation Department of Psychological and Behavioural Science, London School of Economics and Political Science, London, United Kingdom

  http://orcid.org/0000-0002-7079-5166

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• Joseph Henrich,

  Roles Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliations Department of Human Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America, Canadian Institute for Advanced Research, Toronto, Ontario, Canada

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• Wataru Toyokawa,

  Roles Data curation, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  Affiliation School of Biology, University of St Andrews, St Andrews, United Kingdom

  http://orcid.org/0000-0001-8558-8568

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• Takeshi Hamamura,

  Roles Data curation, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  Affiliation School of Psychology and Speech Pathology, Curtin University, Perth, Australia

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• Tatsuya Kameda,

  Roles Data curation, Funding acquisition, Investigation, Methodology, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Department of Social Psychology, The University of Tokyo, Tokyo, Japan

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• Steven J. Heine

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Supervision, Validation, Writing – original draft, Writing – review & editing

  Affiliation Department of Psychology, University of British Columbia, Vancouver, Canada

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