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

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Overview Social and political polarization Background: how many people do you know? Learning from “How many X’s do you know” surveys Next Measuring network size Political polarization in social networks Developing an instrument to measure network size ◮ Design and analysis of “How many X’s” surveys ◮ Ask about 0/1+, or 0/1/2+, or . . . ? ◮ Use rare names to normalize? ◮ Efficient estimation given fixed respondent time ◮ Hierarchical regression models with lots of parameters ◮ Technical challenges ◮ Recall with large groups ◮ Estimating the “transition matrix” of who knows whom Gelman, DiPrete, Salganik, Teitler, Zheng Studying polarization using surveys
Overview Social and political polarization Background: how many people do you know? Learning from “How many X’s do you know” surveys Next Measuring network size Political polarization in social networks Developing an instrument to measure network size ◮ Design and analysis of “How many X’s” surveys ◮ Ask about 0/1+, or 0/1/2+, or . . . ? ◮ Use rare names to normalize? ◮ Efficient estimation given fixed respondent time ◮ Hierarchical regression models with lots of parameters ◮ Technical challenges ◮ Recall with large groups ◮ Estimating the “transition matrix” of who knows whom Gelman, DiPrete, Salganik, Teitler, Zheng Studying polarization using surveys
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Overview Social and political polar
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How many X's do you know'' surveys - Columbia University

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