Key things to know about U.S. election polling in 2024
Polls are more useful to the public if people have realistic expectations about what surveys can do well – and what they cannot.
Methods
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How Pew Research Center Uses Its National Public Opinion Reference Survey (NPORS)
In 2020, Pew Research Center launched a new project called the National Public Opinion Reference Survey (NPORS). NPORS is an annual, cross-sectional survey of U.S. adults. Respondents can answer either by paper or online, and they are selected using address-based sampling from the United States Postal Service’s computerized delivery sequence file.
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National Public Opinion Reference Survey (NPORS)
NPORS is an annual survey of U.S. adults conducted by the Pew Research Center used to to produce benchmark estimates for several topics.
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Quiz: Test your polling knowledge
Test your knowledge of public opinion polling by taking our 10-question quiz.
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Q&A: What is the American Trends Panel, and how has it changed?
Members of the American Trends Panel can now take our surveys online or over the phone with an interviewer.
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How do people in the U.S. take Pew Research Center surveys, anyway?
Here, we address some of the most common questions we receive about the nuts and bolts of taking a U.S.-focused Pew Research Center poll.
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Online opt-in polls can produce misleading results, especially for young people and Hispanic adults
We examine how an opt-in poll may have unintentionally misled the public about the sensitive issue of Holocaust denial among young Americans.
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Who Are You? The Art and Science of Measuring Identity
As a shop that studies human behavior through surveys and other social scientific techniques, we have a good line of sight into the contradictory nature of human preferences. Here’s a look at how we categorize our survey participants in ways that enhance our understanding of how people think and behave.
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Q&A: How we used large language models to identify guests on popular podcasts
We asked researchers how they used the newest generation of large language models to analyze roughly 24,000 podcast episodes.
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Comparing Two Types of Online Survey Samples
Pew Research Center conducted a study to compare the accuracy of six online surveys of U.S. adults – three from probability-based panels and three from opt-in sources. On average, the absolute error on opt-in samples was about twice that of probability-based panels.
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