Thomas J. Leeper

 Portrait photo of Thomas Leeper

Assistant Professor in Political Behaviour

Office: CON 3.21, Connaught House
Office Hours: Mondays 10:30 - 11:30 and Fridays 09:30 - 10:30 (by appointment via LSE for You)
Tel: +44 (0)20 7955 7191
Twitter: @thosjleeper


Dr. Thomas J. Leeper joined the Department of Government in 2015 as an Assistant Professor in Political Behaviour. He was previously a Postdoc at Aarhus University and received his PhD in Political Science from Northwestern University.

Research Interests

  • Public opinion
  • Political psychology, reasoning, and cognition
  • Media exposure and political communication
  • Political parties in Europe and the United States
  • Survey and experimental methods

Teaching Responsibilities

  • GV249: Research Design in Political Science
  • GV4J3: Public Opinion, Political Psychology and Citizenship


Thomas J. Leeper. 2014. “Cognitive Style and the Survey Response.” Public Opinion Quarterly 78(4): 974–983.

Thomas J. Leeper. 2014. “Archiving Reproducible Research with R and Dataverse.” The R Journal 6(1): 151–158.

Thomas J. Leeper. 2014. “The Informational Basis for Mass Polarization.” Public Opinion Quarterly 78(1): 27–46.

Thomas J. Leeper, and Rune Slothuus. 2014. “Political Parties, Motivated Reasoning, and Public Opinion Formation.” Political Psychology 35 (Supplement 1): 129–156.

Toby Bolsen, Thomas J. Leeper, and Matthew Shapiro. 2014. “Doing What Others Do: Norms, Science, and Collective Action on Global Warming.” American Politics Research 42(1): 65–89.