Hewitt, L.*, Ashokkumar, A*., Ghezae, I., & Willer, R. Predicting Results of Social Science Experiments Using Large Language Models. Supplementary Materials. Working Paper.

• Web demo, X Thread (08/2024), Talk at Stanford Tech Impact and Policy Center (02/2025)

• Media Coverage: HAI (07/2025)

Park, J. S., Zou, C. Q., Shaw, A., Hill, B. M., Cai, C., Morris, M. R., Willer, R., Liang, P., & Bernstein, M. S. Generative Agent Simulations of 1,000 People. Working Paper.

• Policy Brief (05/2025), X Thread (11/2024)

• Media Coverage: ScienceDirect (11/2024)

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.

• Bluesky Thread (02/2026), X Thread (02/2026)

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.

Weiss, C. M., Green, D. P., & Willer, R. Can Politicians Bridge Partisan Divides? A Field Experiment with the U.S. National Governors Association. Working Paper.

• 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

Garton, C., Willer, R., Zaki J. Partisans Overstimate Their Side's Intolerance. Working Paper.

Clayton, K., Nyhan, B., Offer-Westort, M., Kinder, B., & Willer, R. The Structural Democratic Reforms Project. In Progress.

• X Thread (06/2024)

Wetts, R., & Willer, R. Antiracism and its Discontents: The Prevalence and Political Influence of Opposition to Antiracism among White Americans. Working Paper.

• X Thread (12/2022)

• 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.

Stagnaro, M. N., Druckman, J., Berinsky, A., Arechar, A. A., Willer, R., & Rand, D. G. Representativeness Versus Attentiveness: A Comparison Across Nine Online Survey Samples. Working Paper.

• X Thread (02/2024)

Willer, R. Building a Team Science Accelerator: A Strategy for Improving Diversity of Access and Knowledge Generated via Big Team Science. 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.