Web Survey Methods

ReportFebruary 18, 2020

More than 80% of the public polls used to track key indicators of U.S. public opinion, such as the President’s approval rating or support for Democratic presidential candidates, are conducted using online opt-in polling.1 A new study by Pew Research Center finds that online polls conducted with widely-used opt-in sources contain small but measurable shares […]

ReportMay 9, 2019

when designing an online survey questionnaire, there is more than one way to ask a respondent to select which options in a series applies to them.

Fact TankFebruary 28, 2019

Nick Bertoni, manager of the American Trends Panel, explains how the panel works and what its recent expansion means for our future survey work.

ReportFebruary 27, 2019

Pew Research Center’s American Trends Panel (ATP) is now the Center’s principal source of data for U.S. public opinion research.

Fact TankFebruary 27, 2019

What does the migration to online polling mean for the country's trove of public opinion data gathered over the past four decades?

Fact TankFebruary 7, 2019

Pew Research Center conducts surveys over the phone and, increasingly, online. But these two formats don’t always produce identical results.

ReportOctober 9, 2018

A new telephone survey experiment finds that an opinion poll drawn from a commercial voter file produces results similar to those from a sample based on random-digit dialing.

ReportAugust 9, 2018

In the wake of Donald Trump’s 2016 election victory, an overwhelming majority of those who said they had voted for him had “warm” feelings for him.

Fact TankAugust 6, 2018

Many online surveys are conducted using “nonprobability” or “opt-in” samples, which are generally easier and cheaper to conduct. In our latest Methods 101 video, we explore some of the features of nonprobability surveys and how they differ from traditional probability-based polls.

ReportAugust 6, 2018

Our latest Methods 101 video explores some of the ways these surveys differ from traditional probability-based polls.

Web Survey Methods

Research Areas

Follow Us