About the Authors

Seth Frey

sethfrey@indiana.edu

Affiliation Cognitive Science, Indiana University, Bloomington, Indiana, United States of America

Robert L. Goldstone

Affiliation Cognitive Science, Indiana University, Bloomington, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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