About the Authors

Jason M. Cowell

Affiliation Department of Psychology, University of Chicago, Chicago, Illinois, United States of America

Anya Samek

Affiliation Department of Consumer Science, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

John List

Affiliation Department of Economics, University of Chicago, Chicago, Illinois, United States of America

Jean Decety

decety@uchicago.edu

Affiliation Department of Psychology, University of Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMC AS JL JD. Performed the experiments: JMC AS JD. Analyzed the data: JMC JD. Contributed reagents/materials/analysis tools: JMC AS JL JD. Wrote the paper: JMC AS JL JD.