Numbers, Facts and Trends Shaping Your World

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    4. The RBS poll comports well with data from the full voter file about the partisanship of registered voters

    The finding that the registration-based poll tilted slightly less politically conservative than the random-digit-dial poll raises the possibility that the RBS poll suffered from differential partisan nonresponse, with the Republicans called in the RBS poll being less likely to participate than Democrats. That would yield an RBS poll that was too Democratic relative to the […]

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    Appendix B: Methodology

    The American Trends Panel (ATP), created by Pew Research Center, is a nationally representative panel of randomly selected U.S. adults recruited from landline and cellphone random-digit-dial surveys. Panelists participate via monthly self-administered web surveys. Panelists who do not have internet access are provided with a tablet and wireless internet connection. Most of the data in […]