Commercial Voter Files and the Study of U.S. Politics
A new analysis demystifies voter files, the widely-used and comprehensive digital databases used to better understand the U.S. electorate.
Numbers, Facts and Trends Shaping Your World
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1. How different weighting methods work
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 – to correct any imbalances between the survey sample and the population. These are all variables that are correlated with a broad range of attitudes […]
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6. Commercial voter files in perspective
Despite the potential value of commercial voter files, they are hardly perfect. The imperfections stem from a variety of sources. At their core, the files are a compilation of official records from each state and the District of Columbia, with the addition of information about both registered and unregistered adults from other sources. But the […]
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Why Americans Go (and Don’t Go) to Religious Services
In recent years, the percentage of U.S. adults who say they regularly attend religious services has been declining, while the share of Americans who attend only a few times a year, seldom or never has been growing. A new Pew Research Center survey finds that the main reason people regularly go to church, synagogue, mosque […]