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Methodological Research
REPORT | AUG 25, 2021
How Call-In Options Affect Address-Based Web Surveys
One method to improve survey representation of the non-internet and less literate population is to allow people to take surveys offline. In March, we fielded a study to test the feasibility and effect of collecting data through respondent-initiated interactive voice response; here’s what we found.
REPORT | JUN 9, 2021
Measuring the Risks of Panel Conditioning in Survey Research
SHORT READ | JUN 2, 2021
Death penalty draws more Americans’ support online than in telephone surveys
REPORT | MAR 2, 2021
What 2020’s Election Poll Errors Tell Us About the Accuracy of Issue Polling
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SHORT READ | OCT 12, 2021
U.S. household growth over last decade was the lowest ever recorded
The 2020 census counted 126.8 million occupied households, representing 9% growth over the 116.7 million households counted in the 2010 census.
SHORT READ | OCT 5, 2021
Want to better understand how surveys work? We’ve got an email course for you
If you’ve wondered what opinion polls are for, how they are done or how to tell a good one from a bad one, sign up for our email mini-course.
FEATURE | OCT 5, 2021
Quiz: Test your polling knowledge
Test your knowledge of public opinion polling by taking our 10-question quiz.
FACT SHEET | SEP 24, 2021
National Public Opinion Reference Survey (NPORS)
NPORS is an annual survey of U.S. adults conducted by the Pew Research Center.
SHORT READ | SEP 20, 2021
Polls on COVID-19 vaccination closely align with CDC data
Public polling estimates on COVID-19 vaccination have been within about 2.8 points, on average, of the CDC's calculated rate.
SHORT READ | SEP 9, 2021
How Pew Research Center has dealt with the challenges of international polling during the pandemic
Since the initial disruptions of field operations due to COVID-19, we have been able to conduct 33 surveys in 17 countries and territories.
SHORT READ | SEP 7, 2021
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.
REPORT | AUG 25, 2021
How Call-In Options Affect Address-Based Web Surveys
One method to improve survey representation of the non-internet and less literate population is to allow people to take surveys offline. In March, we fielded a study to test the feasibility and effect of collecting data through respondent-initiated interactive voice response; here’s what we found.
SHORT READ | JUL 21, 2021
Q&A: A conversation about U.S. election polling problems in 2020
Here, we discuss the findings of a comprehensive report about the polling errors of 2020 and their implications for polling.
REPORT | MAY 14, 2021
Black and Hispanic Americans See Their Origins as Central to Who They Are, Less So for White Adults
About half of Americans see their identity reflected very well in the census’s race and ethnicity questions.
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Signature Reports
REPORT | NOV 19, 2019
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.
REPORT | FEB 27, 2019
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.
REPORT | OCT 9, 2018
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.
REPORT | MAR 31, 2017
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.
Features
FEATURE | JUL 16, 2019
Methods 101 Video: How is polling done around the world?
FEATURE | MAY 14, 2018
Video: Can we still trust polls?
FEATURE | MAR 21, 2018
Methods 101 Video: Survey Question Wording
FEATURE | MAY 12, 2017
Methods 101 Video: Random Sampling

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