About the Authors

Gillian M. Sandstrom

gsands@essex.ac.uk

Current address: Department of Psychology, University of Essex, Colchester, United Kingdom

Affiliation Department of Psychology, University of British Columbia, Vancouver, B.C., Canada

Vincent Wen-Sheng Tseng

Affiliation Department of Information Science, Cornell University, Ithaca, N.Y., United States of America

Jean Costa

Affiliation Department of Information Science, Cornell University, Ithaca, N.Y., United States of America

Fabian Okeke

Affiliation Department of Information Science, Cornell University, Ithaca, N.Y., United States of America

Tanzeem Choudhury

Affiliation Department of Information Science, Cornell University, Ithaca, N.Y., United States of America

Elizabeth W. Dunn

Affiliation Department of Psychology, University of British Columbia, Vancouver, B.C., Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GMS TC EWD. Performed the experiments: GMS. Analyzed the data: GMS. Contributed reagents/materials/analysis tools: VT JC FO. Wrote the paper: GMS VT JC FO TC EWD.