report | 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.

report | Nov 18, 2015

Advances in Telephone Survey Sampling

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

report | 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.

report | Jul 7, 2015

Is It Necessary to Reimburse Cellphone Respondents?

Respondents who take a Pew Research Center survey on a cellphone are currently offered reimbursement for their cellphone minutes for completing the survey. But is it still necessary in the age of unlimited talk and text?

short reads | Jun 11, 2015

How Pew Research Center conducted its survey of multiracial Americans

We released our first report on American multiracial adults, a group that comprises an estimated 6.9% of the adult population, or nearly 17 million adults. The report looks at who they are demographically, their attitudes and experiences, and the spectrum of their racial identity.

report | Jun 10, 2015

Ukraine 2015: How We Approached Our Sample Design in Light of Insecurity in Eastern Ukraine

The uneasy ceasefire in eastern Ukraine, punctuated by almost daily fighting between separatists and government forces, posed a major challenge to the Pew Research Center as we set about conducting a new public opinion survey in that country this past spring. As always, our first priority was the safety of interviewers and respondents, who can both be at risk when it comes to face-to-face surveys in a conflict zone.

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