About the Authors

Marius Kempe

marius.kempe@worc.oxon.org

Affiliations Biological and Experimental Psychology Group, School of Biological and Chemical Sciences, Queen Mary, University of London, London, United Kingdom, Department of Anthropology, Durham University, Durham, United Kingdom

Stephen Lycett

Affiliation School of Anthropology and Conservation, The University of Kent, Canterbury, Kent, United Kingdom

Alex Mesoudi

Affiliations Biological and Experimental Psychology Group, School of Biological and Chemical Sciences, Queen Mary, University of London, London, United Kingdom, Department of Anthropology, Durham University, Durham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MK SL AM. Performed the experiments: MK. Analyzed the data: MK. Wrote the paper: MK SL AM.