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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 />

Our research goals<br />

Measuring network size<br />

Political polarization in social networks<br />

◮ Developing an instrument to measure network size<br />

◮ Studying political polarization in social networks<br />

◮ Regression models of # known and individual characteristics<br />

and attitudes<br />

◮ Studying other patterns (comparing residents of cities and<br />

suburbs, etc.)<br />

◮ Questions on General Social Survey, Polimetrix survey, Italian<br />

survey, . . .<br />

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

Studying polarization using <strong>surveys</strong>

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