Jeff Hancock is a professor of Cognitive Science and Communications at Cornell University. His research has focused on examining social interactions mediated by information and communication technology, with a particular emphasis on how people produce and understand language in these contexts. In particular, he has studied two types of language phenomenon—verbal irony and deception—as well as a number of cognitive and social psychological factors affected by online communication. These include impression formation and management, group processes, and individual differences (e.g., cognitive flexibility, personality traits, etc).
He is currently at work on a book about deception and technology.