Professor Brader currently serves as Associate Principal Investigator for Time-sharing Experiments for the Social Sciences. He has formerly served as Principal Investigator for the American National Election Studies. His research examines how public opinion and political behavior are shaped by emotions, partisanship, social identities, group attitudes, and media messaging; he also studies survey and experimental methods. Current projects focus on debates over immigration, claims of religious freedom, the perspectives of rural Americans, partisan stereotyping, and the triggers of public emotions.