How we know the drop in Trump’s approval rating in January reflected a real shift in public opinion
The 9-point fall in approval was the largest change between two Pew Research Center polls since Donald Trump took office.
Measuring Religion in Pew Research Center’s American Trends Panel
Since the establishment of the ATP, the Center has gradually migrated away from telephone polling and toward online survey administration, and since early 2019, the Center has conducted most of its U.S. polling on the ATP. This shift has major implications for the way the Center measures trends in American religion – including those from the Center’s flagship Religious Landscape Studies, which were conducted by phone in 2007 and 2014.
Understanding how 2020 election polls performed and what it might mean for other kinds of survey work
Many who follow polls are asking how these errors could happen. Here, we’ll take a preliminary shot at answering that question.
What we can trust 2020 election polls to tell us
Polls can't predict the future. But they are the best tool to reveal the public’s priorities and values, and why people vote the way they do.
A Resource for State Preelection Polling
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.
Key things to know about election polling in the United States
The real environment in which polls are conducted bears little resemblance to the idealized settings presented in textbooks.
What is machine learning, and how does it work?
Our latest Methods 101 video explains the basics of machine learning and how it allows our researchers to analyze data on a large scale.
Americans Give Higher Ratings to South Korea and Germany Than U.S. for Dealing With Coronavirus
U.S. adults give high marks to South Korea and Germany’s pandemic responses. In contrast, most believe China has done an only fair or poor job.
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.
