Erin Rossiter

Erin Rossiter is the Nancy Reeves Dreux Assistant Professor of Political Science at the University of Notre Dame. Her research focuses on the political consequences of interpersonal communication, particularly polarization dynamics, while advancing quantitative methodologies such as experimental design and text-as-data techniques. She has received two National Science Foundation grants for collaborative research on polarization and radicalization.

• Ph.D. in Political Science from Washington University in St. Louis (2021)
• B.A. in Political Science & English from Creighton University (2015)

Her research bridges political behavior, communication, and methodological innovation, with a focus on affective polarization, partisan dialogue, and computational social science tools. Recent publications emphasize experimental frameworks for measuring polarization, cross-party interactions, and survey optimization.

Erin’s teaching portfolio includes graduate courses in experimental design and programming for social sciences, as well as undergraduate classes on social influence in politics. She has contributed to open-source R packages like catSurv for categorical data analysis.

• APSA Elections, Public Opinion, and Voting Behavior Section Best Paper Award (2024)
• APSA Experimental Research Section Best Dissertation Award Co-Winner (2022)
• APSA Political Communication Section Thomas E. Patterson Best Dissertation Award Honorable Mention (2022)

She is affiliated with the Rooney Center for the Study of American Democracy and has served as a Co-PI on NSF grants exploring radicalization pathways and polarization dynamics.