A new analysis demystifies voter files, the widely-used and comprehensive digital databases used to better understand the U.S. electorate.
Many people wonder: Can polls be trusted? The following essay contains a big-picture review of the state of polling, organized around a number of key areas.
By Courtney Kennedy, Kyley McGeeney and Scott Keeter Now that over 90% of U.S. adults have cellphones,[1. Stephen J. Blumberg and Julian V. Luke. Wireless substitution: Early Release of Estimates From the National Health Interview Survey, July–December 2015. National Center for Health Statistics. May 2016. Available from: http://www.cdc.gov/nchs/nhis.htm] survey researchers are considering whether it is necessary […]
In early 2014, Pew Research Center set out to build a probability-based panel – the American Trends Panel – to supplement our traditional method of data collection in the U.S. – the random digit dial (RDD) telephone survey. Here’s how we built and managed the panel, and what we learned from it in 2014.
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