About the Authors

Richard McElreath

mcelreath@ucdavis.edu

Affiliations Department of Anthropology, University of California Davis, Davis, CA, United States of America, Center for Population Biology, University of California Davis, Davis, CA, United States of America

Paul E. Smaldino

Affiliation Department of Anthropology, University of California Davis, Davis, CA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RM PS. Performed the experiments: RM PS. Analyzed the data: RM PS. Contributed reagents/materials/analysis tools: RM PS. Wrote the paper: RM PS.