About the Authors

Patricia Kanngiesser


Affiliation School of Experimental Psychology, University of Bristol, Bristol, United Kingdom

Felix Warneken

Affiliation Department of Psychology, Harvard University, Cambridge, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PK FW. Performed the experiments: PK. Analyzed the data: PK FW. Wrote the paper: PK FW.