About the Authors

Azim F. Shariff


Affiliation Department of Psychology, University of Oregon, Eugene, Oregon, United States of America

Lara B. Aknin

Affiliation Department of Psychology, Simon Fraser University, Burnaby, British Columbia, Canada

Competing Interests

The first author is a recipient of grant money from the John Templeton Foundation for other projects unrelated to this one. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AS LA. Performed the experiments: AS LA. Analyzed the data: AS LA. Wrote the paper: AS LA.