About the Authors

Jamie L. Fratkin

fratkijl@utexas.edu

Affiliation Department of Psychology, The University of Texas at Austin, Austin, Texas, United States of America

David L. Sinn

Affiliations Department of Psychology, The University of Texas at Austin, Austin, Texas, United States of America, School of Zoology, University of Tasmania, Hobart, Tasmania, Australia

Erika A. Patall

Affiliation Department of Educational Psychology, The University of Texas at Austin, Austin, Texas, United States of America

Samuel D. Gosling

Affiliation Department of Psychology, The University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JF DLS SDG. Performed the experiments: JF DLS. Analyzed the data: JF EP. Contributed reagents/materials/analysis tools: EP. Wrote the paper: JF DLS EP SDG.