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How many X's do you know'' surveys - Columbia University

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Overview<br />

Social and political polarization<br />

Background: how <strong>many</strong> people <strong>do</strong> <strong>you</strong> know?<br />

Learning from “<strong>How</strong> <strong>many</strong> X’s <strong>do</strong> <strong>you</strong> know” <strong>surveys</strong><br />

Next<br />

Overview<br />

◮ Social and political polarization<br />

◮ “<strong>How</strong> <strong>many</strong> X’s <strong>do</strong> <strong>you</strong> know” <strong>surveys</strong><br />

◮ 3 models and Bayesian inference<br />

◮ Our research plan<br />

◮ collaborators:<br />

◮ Tian Zheng, Dept of Statistics, <strong>Columbia</strong> <strong>University</strong><br />

◮ Matt Salganik, Dept of Sociology, <strong>Columbia</strong> <strong>University</strong><br />

◮ Tom DiPrete, Dept of Sociology, <strong>Columbia</strong> <strong>University</strong><br />

◮ Julien Teitler, School of Social Work, <strong>Columbia</strong> <strong>University</strong><br />

◮ others in our research group<br />

◮ Peter Killworth and Chris McCarty shared their survey data<br />

Gelman, DiPrete, Salganik, Teitler, Zheng<br />

Studying polarization using <strong>surveys</strong>

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