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The P3 lab examines the way civic and political organizations make the participation of ordinary people Possible, Probable, and Powerful. The lab is led by faculty director Hahrie Han, a political scientist at Johns Hopkins University, where she is Inaugural Director of the SNF Agora Institute. Using observational and experimental methods, Hahrie and the P3 team study civic and political engagement, collective action, organizing, and democratic revitalization. Lab research has appeared in the American Political Science Review, American Sociological Review, American Journal of Sociology, and other journals. Hahrie has published three books. This website describes Hahrie's work and the work of the P3 lab.
