About the Authors

Jennifer Golbeck

jgolbeck@umd.edu

Affiliation University of Maryland, College Park, MD, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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