Pew Research Center Jan. 7, 2016

Can Likely Voter Models Be Improved?

High-profile polling failures in recent elections have drawn attention to the challenges in using surveys to predict outcomes. Our study examines various methods of determining who is a likely voter.

Fact Tank Jan. 5, 2016

Pew Research Center will call 75% cellphones for surveys in 2016

We’re making this change to ensure our survey samples properly represent the now roughly half (47%) of U.S. adults who only have a cellphone.

Fact Tank Dec. 4, 2015

How Pew Research Center studied the Washington press corps

Jesse Holcomb, associate director of research at the Center, explains how the new report was put together.

Methods Nov. 18, 2015

Advances in Telephone Survey Sampling

Telephone surveys face numerous challenges, but some positive developments have emerged, principally with respect to sampling.

Methods Nov. 12, 2015

The Unique Challenges of Surveying U.S. Latinos

Surveying Hispanics is complicated for many reasons – language barriers, sampling issues and cultural differences – that are the subject of a growing field of inquiry.

Nov. 6, 2015

Who Is Multiracial? Depends on How You Ask

Racial identity is far from a straightforward concept, and when multiple strands of identity come together this has the potential to increase the complexity.

Hispanic Sep. 28, 2015

Modern Immigration Wave Brings 59 Million to the U.S.

The nation’s foreign-born population has swelled from 10 million in 1965 to a record 45 million in 2015. By 2065, the U.S. will have a projected 78 million immigrants.

Fact Tank Sep. 22, 2015

Who’s left out in a Web-only survey and how it affects results

We surveyed non-Web panel members by mail and assessed how much, if at all, their non-participation would affect the outcome in a poll conducted exclusively online.

Methods Sep. 22, 2015

Coverage Error in Internet Surveys

With 89% of U.S. adults online, survey research is rapidly moving to the Web. But 89% is not 100%, and surveys that include only those who use the internet run the risk of producing biased results.

Sep. 22, 2015

The many ways to measure economic inequality

Just what is “economic inequality”? Depends on whom you ask.