Xizhen Cai Author

Shawn J. Parry-Giles is a professor in the Department of Communication at the University of Maryland, College Park. She is also the director of the Rosenker Center for Political Communication and Civic Leadership at UMD.

David S. Kaufer is Mellon Distinguished Professor Emeritus of English and Rhetoric at Carnegie Mellon University and a fellow of the Rhetorical Society of America.

Xizhen Cai is an assistant professor in statistics at Williams College.