Cornell University
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Jeffrey Hancock

Professor (Comm & IS) and Chair IS

Areas of Interest

Computer-mediated communication, language and technology, deception and its detection, figurative language


Dr. Jeffrey T. Hancock is a Professor in the Communications and Information Science departments at Cornell University and is the Chair of the Information Science department. He is interested in social interactions mediated by information and communication technology, with an emphasis on how people produce and understand language in these contexts. His research has focused on two types of language, verbal irony and deception, and on a number of cognitive and social psychological factors affected by online communication. 


Selected Publications (for a more complete list, please see the Cornell Social Media Lab website)

In Press

Hancock, J.T., & Gonzales, A. (in press). To Lie or Not To Lie Online: The Pragmatics of Deception in Computer-Mediated Communication. In S. Herring, D. Stein and T. Virtanen (Eds.) Handbook of Pragmatics of Computer-Mediated Communication. Berlin, Germany: Mouton de Gruyter.


Birnholtz, J., Dixon, G., Hancock, J. (2012). Distance, ambiguity and appropriation: Structures affording impression management in a collocated organization. Computers in Human Behavior, 28, 1028-1035

Toma, C. L. & Hancock, J. T. (2012). What lies beneath: The linguistic traces of deception in online dating profiles. Journal of Communication, 62, 78-97.

Jiang, L. C., Bazarova, N. N., & Hancock, J. T. (2012). From perception to behavior: Disclosure reciprocity and the intensification of intimacy in computer-mediated communication. Communication Research.

Retelny, D., Birnoltz, J., & Hancock, J. (2012). Tweeting for class: Using social media to enable student co-construction of lectures.Presented as an Interactive Poster at CSCW 2012, 203-206.

Bazarova, N.N., & Hancock, J.T. (2012). Attributions after a group failure: Do they matter? Effects of attributions on group communication and performance. Communication Research, 39, 499-522.

Birnholtz, J., Hancock, J., Smith, M., & Reynolds, L. (2012). Understanding unavailability in a world of constant connection. Interactions 19(5) 32-35.


Jiang, C. L., Bazarova, N. N., & Hancock, J. T. (2011). The disclosure-intimacy link in computer-mediated communication: An attributional extension of the hyperpersonal model. Human Communication Research.

Ott, M., Choi, Y., Cardie, C., & Hancock, J. T. (2011). Finding deceptive opinion spam by any stretch of the imagination. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics, 309-319

Reynolds, L., Gillette, S., Marder, J., Miles, Z., Vodenski, P., Weintraub, A., Birnholtz, J., & Hancock, J. (2011). Contact stratification and deception: blackberry messenger versus SMS use among students. Proceedings of the ACM conference on Computer-Supported Cooperative Work (CSCW 2011)


Woodworth, M., Hancock, J.T., Agar, A., Cormier, N, & Carpenter, T. (2010). Suspicion in Synchronous Computer-Mediated Communication: Preliminary Results. Proceedings, Hawaii International Conference on System Sciences.

Gonzales, A.G., Hancock, J.T., & Pennebaker, J. (2010). Language Style Matching as a Predictor of Social Dynamics in Small Groups.Communication Research, 37, 3-19.

Hancock, J.T., Beaver, D.I., Chung, C.K., Frazee, J., Pennebaker, J.W., Graesser, A., & Cai, Z., (2010). Social Language Processing: A Framework for Analyzing the Communication of Terrorists and Authoritarian Regimes. Behavioral Sciences of Terrorism and Political Aggression 2, 108-132.

Hancock, J. T., Woodworth, M., & Goorha, S. (2010). See no evil: The effect of communication medium and motivation on deception detection. Group Decision and Negotiation. 19, 327-336.

Warkentin, D., Woodworth, M, Hancock, J.T., & Cormier, N. (2010). Warrants and Deception in Computer Mediated Communication.Proceedings of the ACM conference on Computer-Supported Cooperative Work (CSCW 2010), 9-12. [Acceptance rate: 20%]