Recent advances in survey sampling have underscored the value of auxiliary variables in estimating finite population means. By incorporating additional information from related variables, researchers ...
A growing share of polling is conducted with online opt-in samples. 1 This trend has raised some concern within the industry because, while low participation rates pose a challenge for all surveys, ...
Historically, public opinion surveys have relied on the ability to adjust their datasets using a core set of demographics – sex, age, race and ethnicity, educational attainment, and geographic region ...
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