If a battleground state poll does not adjust for having too many college graduates, it is at risk of overstating support for a Democratic presidential candidate. The Current Population Survey provides high-quality data that can mitigate overrepresentation of college graduates.
The coronavirus pandemic’s impact on Pew Research Center’s global polling
Our response to the pandemic has included the difficult decision to suspend much of our international survey work until further notice.
Assessing the Risks to Online Polls From Bogus Respondents
While the growth of online interviewing is a prominent trend in polling, there is variation within that trend in how researchers recruit respondents. This study finds that sourcing affects data quality.
When Online Survey Respondents Only ‘Select Some That Apply’
when designing an online survey questionnaire, there is more than one way to ask a respondent to select which options in a series applies to them.
Q&A: Why and how we expanded our American Trends Panel to play a bigger role in our U.S. surveys
Nick Bertoni, manager of the American Trends Panel, explains how the panel works and what its recent expansion means for our future survey work.
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.
What our transition to online polling means for decades of phone survey trends
What does the migration to online polling mean for the country's trove of public opinion data gathered over the past four decades?
Phone vs. online surveys: Why do respondents’ answers sometimes differ by mode?
Pew Research Center conducts surveys over the phone and, increasingly, online. But these two formats don’t always produce identical results.
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.
For Most Trump Voters, ‘Very Warm’ Feelings for Him Endured
In the wake of Donald Trump’s 2016 election victory, an overwhelming majority of those who said they had voted for him had “warm” feelings for him.
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.