The Psychology of Political Polarization

Lecture Center for Global Humanities Lecture/Seminar Series

Peter Ditto


Peter Ditto is Professor of Psychology and Social Behavior in the School of Social Ecology at the University of California, Irvine. Dr. Ditto received his B.A. from UCLA in 1982, and his Ph.D. from Princeton University in 1986, both in psychology. After a two-year postdoctoral fellowship at the University of Michigan, he was a faculty member at Kent State University until moving to UCI in 1997. Dr. Ditto is an experimental social psychologist whose expertise is in human judgment and decision making. His research has been published in top scientific journals such as Psychological Science, Perspectives on Psychological Science, and Science, and focuses on “hot cognition” – how motivation, intuition, and emotion shape (and often bias) our social, political, moral, medical, and legal judgments. Dr. Ditto is a co-founder of the data collection website and serves on the board of advisors for His current research is focused on partisan bias, political polarization, and the moral and psychological underpinnings of the “culture war” in contemporary American politics.


WCHP Lecture Hall in Parker Pavilion
716 Stevens Avenue
Portland, ME 04103


5 p.m. in the UNE Art Gallery (Portland Campus)


(207) 221-4435

The Psychology of Political Polarization Lecture Poster
6:00 PM
WCHP Lecture Hall in Parker Pavilion

Portland Campus

Free and open to the public