About the Authors

James W. Pennebaker

Pennebaker@mail.utexas.edu

Affiliation The University of Texas at Austin, Austin, Texas, United States of America

Cindy K. Chung

Affiliation The University of Texas at Austin, Austin, Texas, United States of America

Joey Frazee

Affiliation The University of Texas at Austin, Austin, Texas, United States of America

Gary M. Lavergne

Affiliation The University of Texas at Austin, Austin, Texas, United States of America

David I. Beaver

Affiliation The University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have read the journal's policy and have the following competing interest: JWP is the co-owner of the commercially-available text analysis software, LIWC, which was used to analyze the language data. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JWB DIB. Performed the experiments: JWP GML. Analyzed the data: JWP CKC JF. Contributed reagents/materials/analysis tools: JF CKC. Wrote the paper: JWP CKC DIB.