About the Authors
- Marco F. H. Schmidt
- Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
- Marco F. H. Schmidt, Jessica A. Sommerville
- Department of Psychology and Institute for Learning and Brain Sciences, University of Washington, Seattle, Washington, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MFHS JAS. Performed the experiments: MFHS. Analyzed the data: MFHS JAS. Contributed reagents/materials/analysis tools: MFHS JAS. Wrote the paper: MFHS JAS.