Public Opinion Polling Basics
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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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Q&A: How – and why – we’re changing the way we study tech adoption
With our shift to using NPORS for studying topics like the digital divide, Americans can now respond by mail or online. This change in approach sets us up to continue studying tech adoption long into the future.
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State of the News Media methodology
The State of the News Media fact sheets use a range of different methodologies to study the health of the U.S. news industry, including custom analysis of news audience behavior, secondary analysis of industry data and direct reporting to solicit information unavailable elsewhere.
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Signature Reports
A Field Guide to Polling: Election 2020 Edition
While survey research in the United States is a year-round undertaking, the public’s focus on polling is never more intense than during the run-up to a presidential election.
Growing and Improving Pew Research Center’s American Trends Panel
Pew Research Center’s American Trends Panel (ATP) is now the Center’s principal source of data for U.S. public opinion research.
Comparing Survey Sampling Strategies: Random-Digit Dial vs. Voter Files
A new telephone survey experiment finds that an opinion poll drawn from a commercial voter file produces results similar to those from a sample based on random-digit dialing.
Are Telephone Polls Understating Support for Trump?
An experiment comparing responses to 27 questions fielded on both a telephone and a web survey found no significant mode differences in overall opinion about Trump or many of his signature policy positions.
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