Methodological Research

Neha Sahgal, a lead author of our survey of Christians in Western Europe, discusses how the survey team constructed its questions and analyzed results.

Migration, racial or ethnic self-identity, and marriage were among the many topics explored at the Population Association of America’s annual meeting last month.

Recent events – including the 2016 presidential election and Brexit – have rattled public confidence in polls. But this video explains why well-designed polls can still be trusted and remain an important way to measure public opinion.

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.

For a recent study on automated accounts and Twitter, we had to answer a fundamental question: Which accounts are bots and which accounts aren’t? Read a Q&A with Stefan Wojcik, a computational social scientist at the Center and one of the report’s authors, on how he and his colleagues navigated this question.

A new question about citizenship on the 2020 census form is in the headlines, but the U.S. Census Bureau also plans other changes for the next national count.

The U.S. Census Bureau is planning to ask everyone living in the United States whether they are citizens when it conducts its next decennial census in 2020.

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.

In the second video from our Methods 101 series, we’re tackling why question wording is so important in public opinion surveys.

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.