(Ph.D., University of Illinois, 1975) specializes in interpersonal arguing, persuasion, conflict management, and interpersonal communication. Among his recent projects are an investigation of emotional support messages to HIV survivors (with Ling Na), a study of reasoning in response to persuasive messages about binge drinking (with Adam Richards), and the effects of evidence quality, intrinsic credibility, and scientific jargon on reception of messages about several health topics (with Jessica Hample).

Contact: dhample@umd.edu