In Progress
Park, J. S., Zou, C. Q., Kamphorst, J., Egan, N., Shaw, A., Hill, B. M., Cai, C., Morris, M. R., Liang, P., Willer, R., & Bernstein, M. S. LLM Agents Grounded in Self-Reports Enable General-Purpose Simulation of Individuals. Working Paper.
Media Coverage: ScienceDirect (11/2024)
Weiss, C. M., Green, D. P., & Willer, R. Can Politicians Bridge Partisan Divides? A Field Experiment with the U.S. National Governors Association. Forthcoming.
Speech at National Governor's Association Meetings (08/2024)
Media Coverage: New York Times (10/2025), Washington Post (12/2025)
Received 2025 Expy “Bridge Builder” Award from the Analyst Institute
Mernyk, J. S., Kamphorst, J. B., Sivakumar, K., Bonica A., Willer, R. A nonpartisan source-grounded AI voter guide is perceived as trustworthy and affects voting intentions. Working Paper.
Ibrahim, L., Hafner, F. S., Cheng, M., Lee, C., Anselmetti, R., Willer, R., Rocher, L., & Yang, D. Sycophantic AI Makes Human Interaction Feel More Effortful and Less Satisfying Over Time. Working Paper.
Biyikli, Z., Weiss, C., & Willer, R. Politicians Who Endorse Bipartisan Civility Gain Voter Support. Working Paper.
Schöne , J. P., Salecha, A., Lyubomirsky, S., Eichstaedt, J., & Willer, R. Structured AI Dialogues Can Increase Happiness and Meaning in Life. Working Paper.
Bluesky Thread (10/2025), X Thread (10/2025)
Costello, T.H., Pennycook, G., Willer, R., & Rand, D. Deep Canvassing using AI reduces prejudice toward undocumented immigrants. Working Paper.
Jackson, M. O., Mei, Q., Wang, S., Xie, Y., Yuan, W., Benzell, S. G., Brynjolfsson, E., Camerer, C. F., Evans, J. A., Jabarian, B., Kleinberg, J., Meng, J., Mullainathan, S., Ozdaglar, A. E., Pfeiffer, T., Tennenholtz, M., Willer, R., Yang, D., & Ye, T. AI Behavioral Science. Working Paper.
Geng, J., Chen, H., Ribeiro, M. H., Willer, R., Neubig, G., & Griffiths, T. L. Accumulating Context Changes the Beliefs of Language Models. Working Paper.
Stray, J., Baker, I., Beknazar-Yuzbashev, G... [43 Authors] ... Willer, R., Wojcieszak, M., Wüthrich, M., & Zheng, S. 2026. The Prosocial Ranking Challenge: Reducing Polarization on Social Media without Sacrificing Engagement. Working Paper.
Garton, C., Willer, R., Zaki J. American Partisans Overestimate Fellow Partisans’ Intolerance of Cross-Party Engagement. Working Paper.
Clayton, K., Nyhan, B., Offer-Westort, M., Kinder, B., & Willer, R. The Structural Democratic Reforms Project. In Progress.
Wetts, R., & Willer, R. Antiracism and its Discontents: The Prevalence and Political Influence of Opposition to Antiracism among White Americans. Working Paper.
Media Coverage: New York Times (07/2023), Washington Post (07/2023)
Fuller, K., Ferrali, R., Damesin, L. F., Gainsburg, I., Simpson, B., & Willer, R. Extreme Protest Tactics Reduce Support for the Climate Movement and Climate Mitigation Policies. Working Paper.
Mason, K. A., Okst, K., Green, D. P., Willer, R., Druckman, J. N., Voelkel, J. G., Patel, Y., Robertson, C., Choi, W., Sanchez, J. I., Goldwert, D., Rogers, T., Weisz, E., Schneider-Mayerson, M., Birnbaum, H. J., Bogard, J. E., Brimhall, C. I., Cosme, D., De La Rosa, W., Dittman, A. G., Falk, E., Fox, C. R., Garg, R., Goldstein, N. J., Goncharova, E. Y., Jost, J. T., Knowles, E. D., Laskey, N. M., Lee, S. W. S., Lu, J. G., Pons, V., Rai, A., Reiff, J. S., Waldfogel, H. B., Weber, M. E., Constantino, S. M., Vlasceanu, M. A Megastudy of Behavioral Interventions to Increase Voter Registration Ahead of the 2024 U.S. Presidential Election. Working Paper.
Broska, D., Santos, L., & Willer, R. The Effects of Belief in the American Dream on Empathic Concern for the Poor and Welfare Program Support. Working Paper.