Full Citation
Title: Democracy Fund + UCLA Nationscape Methodology and Representativeness Assessment
Citation Type: Miscellaneous
Publication Year: 2019
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Abstract: In this report, we explain the methodology of Nationscape and the procedures used to estimate population quantities. We evaluate the representativeness of Nationscape by replicating the process used by the Pew Research Center to evaluate the representativeness of online samples. To do so, we asked respondents a set of questions that are also asked on reliable large-sample government surveys. We produced estimates based on responses to these questions using the same procedures that we use to produce our weekly estimates regarding public opinion and the 2020 election. We compare the differences between our estimates and government survey targets to the differences between the online samples that Pew examined and the same government targets. We find that our procedures for Nationscape return estimates that are as close to the government survey targets as the other online samples tested by the Pew Research Center. The median difference between our estimates and the government survey targets was 3.5 percent while the Pew analysis found a median difference of 3.6 percent.
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Authors: Tausanovitch, Chris; Vavreck, Lynn; Reny, Tyler; Hayes, Alex Rossell; Rudkin, Aaron
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Data Collections: IPUMS CPS
Topics: Methodology and Data Collection
Countries: United States