About the Authors

Joshua L. Kalla

Contributed equally to this work with: Joshua L. Kalla, Peter M. Aronow

kalla@berkeley.edu

Affiliation Charles and Louise Travers Department of Political Science, University of California, Berkeley, Berkeley, California, United States of America

Peter M. Aronow

Contributed equally to this work with: Joshua L. Kalla, Peter M. Aronow

Affiliation Departments of Political Science and Biostatistics, Yale University, New Haven, Connecticut, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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