His research interests are in the areas of elections and methodology. His voter turnout research shows that turnout is not declining, the ineligible population is rising. He is a co-principle investigator on the Public Mapping Project, a project to encourage public participation in redistricting. He is co-author with Micah Altman and Jeff Gill ofNumerical Issues in Statistical Computing for the Social Scientist and is co-editor with John Samples of The Marketplace of Democracy: Electoral Competition and American Politics. His research appears in several edited volumes and in scholarly journals including American Political Science Review, American Journal of Political Science,Journal of Politics, Public Opinion Quarterly, Political Behavior, Political Analysis, State Politics and Policy Quarterly, PS: Political Science and Politics, Social Science Computing Review, The Election Law Journal, and the law review journals of New York University Journal of Legislation and Public Policy, Duke J. Constitutional Law and Public Policy, University of Richmond Law Review, Case Western Law Review and the Georgetown Law Review.
