He teaches both American and Comparative Politics, including classes on religion and politics, mass media, public opinion, group politics, and political institutions. His research focuses mainly on the effect of religious commitment on opinion formation, media usage, voting behaviour, and democratic citizenship. His work also looks at how citizens learn about politics and how they make political choices. His research has been published in The American Journal of Political Science, The Journal of Politics, American Politics Research, Politics & Religion, and The International Journal of Press/Politics.