He has a number of research interests related to public opinion and political psychology. Some draws on cross-disciplinary findings that highlight the distinctiveness of human moral psychology and examines the role it plays in politics. He has a number of papers that elaborate on these concepts more fully, a few being: Reconsidering Moral Issues in Politics, No Compromise: Political Consequences of Moralized Attitudes and Unthinkable! How Citizens with Moralized Attitudes Process Political Arguments.