He is associate editor for the journal Discourse Processes. His work is concerned with how social and connective media affect psychological and linguistic dynamics, with a particular emphasis on deception and trust, interpersonal communication, and the psychological effects of online interaction. His research has been published in over 70 journal articles and conference proceedings and has been supported by funding from the National Science Foundation and the Department of Defense. His work on lying online and on social media has been frequently featured in the popular media, including the New York Times, CNN, NPR, CBS and the BBC. Dr. Hancock earned his PhD in Psychology at Dalhousie University, Canada, and joined Cornell in 2002.