About the Authors

Craig E. Smith


Affiliation Department of Psychology, University of Michigan, Ann Arbor, Michigan, United States of America

Peter R. Blake

Affiliation Department of Psychology, Boston University, Boston, Massachusetts, United States of America

Paul L. Harris

Affiliation Graduate School of Education, Harvard University, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CES PRB PLH. Performed the experiments: CES PRB. Analyzed the data: CES PRB. Wrote the paper: CES PRB PLH.