Working Papers

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)

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), Talk at HAI (09/2023)

• Media Coverage: HAI (07/2025)

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.

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

• X Thread (02/2026)

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

• X Thread (06/2024)

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

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.

Frederiksen, K., Willer, R., Petersen, M. Public Opinion and the Restoration of Democracy. Working Paper.

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

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)

van Loon, A., Giorgi, S., Eichstaedt, J.G., & Willer, R. The Relationship Between Regional Variance in Historic Racial Domination and Racial Animus in the Contemporary US. In Progress.

Broska, D., Santos, L., & Willer, R. The Effects of Belief in the American Dream on Empathic Concern for the Poor and Welfare Program Support. In Progress.