MethodsSeptember 7, 2016

Text Message Notification for Web Surveys

By Kyley McGeeney and H. Yanna Yan Text messaging has grown in popularity in recent years, leading survey researchers to explore ways texts might be used as tools in the public opinion research process. In the U.S., at least, researchers must obtain consent from respondents before they are permitted to send an automated text. This […]

MethodsAugust 1, 2016

Flashpoints in Polling

Many people wonder: Can polls be trusted? The following essay contains a big-picture review of the state of polling, organized around a number of key areas.

MethodsAugust 1, 2016

The Twilight of Landline Interviewing

By Courtney Kennedy, Kyley McGeeney and Scott Keeter Now that over 90% of U.S. adults have cellphones,1 survey researchers are considering whether it is necessary to continue dialing landline numbers in random-digit-dial (RDD) telephone polls. A new Pew Research Center study finds that, for polls already conducting a substantial share of interviews with cellphones, the answer […]

MethodsAugust 1, 2016

Moving Without Changing Your Cellphone Number: A Predicament for Pollsters

By Meredith Dost and Kyley McGeeney Each year about 36 million Americans move residences, according to the Census Bureau. And they quite often take their cellphone numbers with them. Others have not moved but bought their cellphone in a different state. The net result, according to new Pew Research Center estimates, is that 10% of […]

Pew Research CenterMay 2, 2016

Evaluating Online Nonprobability Surveys

Online nonprobability surveys are fast, cheap, and increasingly popular. We compared nine samples and found that accuracy varied substantially.

MethodsFebruary 23, 2016

Evaluating a New Proposal for Detecting Data Falsification in Surveys

The claim by Kuriakose and Robbins (2015) that there is widespread falsification in international surveys is clearly concerning. However, an extensive investigation conducted by Pew Research Center finds the claim is not well supported.

MethodsJanuary 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.

MethodsNovember 18, 2015

Advances in Telephone Survey Sampling

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

MethodsNovember 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.

MethodsSeptember 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.