While the notion that polls should include equal numbers of Republicans and Democrats makes some sense, it’s based on a misunderstanding of what polling is intended to do.
How many U.S. adults use the internet? There are a lot of sources with answers to this question. Yet these different sources can be tricky to reconcile.
International polling provides information about how people in different countries are thinking about issues like immigration, technology, religion, you name it. But polling in different parts of the world can be very challenging, because what works in one country may not work in a different country.
Nick Bertoni, manager of the American Trends Panel, explains how the panel works and what its recent expansion means for our future survey work.
Response rates to telephone public opinion polls conducted by Pew Research Center have resumed their decline, to 7% in 2017 and 6% in 2018.
What does the migration to online polling mean for the country's trove of public opinion data gathered over the past four decades?
Pew Research Center conducts surveys over the phone and, increasingly, online. But these two formats don’t always produce identical results.
Evolution remains a contentious issue. When asked about it, highly religious Americans' responses can vary depending on how the question is asked.
The way polling questions are asked can influence people's answers. Survey experiments are one way to measure the degree to which different questions elicit different answers.
Pew Research Center uses benchmarking questions to ensure our surveys are accurate. Learn why and how we use these questions.