Donald Trump's victory in 2016 and the U.K. "Brexit" decision rattled public confidence in polls. Our new video explains why well-designed polls can be trusted.
The American Trends Panel Survey Methodology
Methods 101 Video: Survey Question Wording
The second video in Pew Research Center's Methods 101 series helps explain question wording – a concept at the center of sound public opinion survey research – and why it’s important.
How do you write survey questions that accurately measure public opinion?
In the second video from our Methods 101 series, we’re tackling why question wording is so important in public opinion surveys.
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.
Q&A: Pew Research Center’s president on key issues in U.S. polling
Read a Q&A with Michael Dimock, president of Pew Research Center, on recent developments in public opinion polling and what lies ahead.
What Low Response Rates Mean for Telephone Surveys
Telephone polls still provide accurate data on a wide range of social, demographic and political variables, but some weaknesses persist.
Methods 101 Video: Random Sampling
The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.
Video Explainer: Understanding random sampling for public opinion surveys
The first video in our "Methods 101" series is about random sampling, a concept that undergirds all probability-based survey research. Here's how it works.
Q&A: Political polls and the 2016 election
Courtney Kennedy of Pew Research Center, who chaired survey researchers organization AAPOR's task force on political polling in the 2016 U.S. elections, discuss the group's findings and recommendations.
About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.