MethodsJanuary 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.

MethodsJuly 21, 2015

The challenges of polling when fewer people are available to be polled

With response rates low and heading lower, how can survey researchers have confidence in their findings? Scott Keeter, director of survey research at Pew Research Center, addresses this issue and related questions.

Pew Research CenterMay 13, 2015

From Telephone to the Web: The Challenge of Mode of Interview Effects in Public Opinion Polls

Among the most striking trends in the field of survey research in the past two decades is the shift from interviewer-administered to self-administered surveys. Fueled by the growth of the internet, self-administration as a survey mode presents a mixture of opportunities and challenges to the field.

Fact TankDecember 22, 2014

14 striking findings from 2014

In 2014, Pew Research Center published more than 150 reports and some 600 blog posts. Here are 14 facts we found particularly striking, as they illustrate some major shifts in our politics, society, habits or families.

Fact TankNovember 24, 2014

Facing challenges, pollsters broaden experiments with new methodologies

Pew Research Center is working to broaden experiments, aimed both at dealing with the problems confronting traditional probability-based polls and taking advantage of opportunities provided by new technologies.

U.S. PoliticsOctober 29, 2014

Registered voters, likely voters, turnout rates: What does it all mean to 2014 election forecasts?

How many Americans are likely to vote, and which voters in the survey are the likely voters? Important as these questions are, there is almost no consensus among the pollsters as to how to identify each of these groups.

Fact TankJuly 28, 2014

Q/A: What the New York Times’ polling decision means

While online survey panels have long been used by market researchers, they’re relatively new in the opinion-research field, and views on them are sharply divided.

GlobalMay 8, 2014

Q/A: How Pew Research tracks public opinion in countries stricken by violence and unrest

Fact Tank sat down with James Bell, Pew Research’s director of international survey research, to discuss how the center designs and implements its surveys in places of conflict like Ukraine.

October 9, 2013

Study: Polls may underestimate anti-gay sentiment and size of gay, lesbian population

A study using a novel research method raises questions.

September 30, 2013

Study: Opposition to same-sex marriage may be understated in public opinion polls

Blame “social desirability” bias.