Online Surveys

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short readsFeb 27, 2019

Response rates in telephone surveys have resumed their decline

Response rates to telephone public opinion polls conducted by Pew Research Center have resumed their decline, to 7% in 2017 and 6% in 2018.
short readsFeb 27, 2019

What our transition to online polling means for decades of phone survey trends

What does the migration to online polling mean for the country’s trove of public opinion data gathered over the past four decades?
short readsFeb 7, 2019

Phone vs. online surveys: Why do respondents’ answers sometimes differ by mode?

Pew Research Center conducts surveys over the phone and, increasingly, online. But these two formats don’t always produce identical results.
reportOct 9, 2018

Comparing Survey Sampling Strategies: Random-Digit Dial vs. Voter Files

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.
short readsAug 6, 2018

What are nonprobability surveys?

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.
videoAug 6, 2018

Methods 101: What are nonprobability surveys?

Our latest Methods 101 video explores some of the ways these surveys differ from traditional probability-based polls.
reportJul 5, 2018

How Does Pew Research Center Measure the Religious Composition of the U.S.? Answers to Frequently Asked Questions

Question 1: Measuring religious identity How does Pew Research Center measure the religious identity of survey respondents and the religious composition of the U.S.? Answer: Generally, we rely on respondents’ self-identification. A key question we ask in many surveys is: “What is your present religion, if any? Are you Protestant, Roman Catholic, Mormon, Orthodox such […]
reportMar 21, 2018

Video Explainer: Understanding survey question wording

The second video in Pew Research Center’s “Methods 101” series helps explain question wording – a concept at the center of sound public opinion survey research – and why it’s important.
reportJan 26, 2018

For Weighting Online Opt-In Samples, What Matters Most?

A growing share of polling is conducted with online opt-in, or nonprobability, samples. This trend has raised some concern within the industry because, while low participation rates pose a challenge for all surveys, the online opt-in variety face additional hurdles.
short readsDec 1, 2017

First-time internet users: Who they are and what they do when they get online

Having access to the internet did not lead to more online exploration for some new internet users, and some had difficulties with the tablets.

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Online Surveys

Online Surveys

Response rates in telephone surveys have resumed their decline

What our transition to online polling means for decades of phone survey trends

Phone vs. online surveys: Why do respondents’ answers sometimes differ by mode?

Comparing Survey Sampling Strategies: Random-Digit Dial vs. Voter Files

What are nonprobability surveys?

Methods 101: What are nonprobability surveys?

How Does Pew Research Center Measure the Religious Composition of the U.S.? Answers to Frequently Asked Questions

Video Explainer: Understanding survey question wording

For Weighting Online Opt-In Samples, What Matters Most?

First-time internet users: Who they are and what they do when they get online

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