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.
Video Explainer: What are nonprobability surveys?
Our latest Methods 101 video explores some of the ways these surveys differ from traditional probability-based polls.
When writing about survey data, 51% might not mean a ‘majority’
For many people, “majority” is a word so common that they rarely have to think twice about what it means. But it’s a different matter for polling organizations like Pew Research Center. At the Center, writers cannot label a survey finding a “majority” unless it meets specific criteria.
Q&A: Measuring attitudes toward Muslims and Jews in Western Europe
Neha Sahgal, a lead author of our survey of Christians in Western Europe, discusses how the survey team constructed its questions and analyzed results.
Can we still trust polls?
Donald Trump’s victory in 2016 and the U.K. “Brexit” decision rattled public confidence in polls. Our new video explains why well-designed polls can be trusted.
Q&A: How Pew Research Center identified bots on Twitter
For a recent study on automated accounts and Twitter, we had to answer a fundamental question: Which accounts are bots and which accounts aren’t? Read a Q&A with Stefan Wojcik, a computational social scientist at the Center and one of the report’s authors, on how he and his colleagues navigated this question.
What to know about the citizenship question the Census Bureau is planning to ask in 2020
The U.S. Census Bureau is planning to ask everyone living in the United States whether they are citizens when it conducts its next decennial census in 2020.
The American Trends Panel Survey Methodology
The American Trends Panel (ATP), created by the Pew Research Center, is a nationally representative panel of randomly selected U.S. adults recruited from landline and cell phone random digit dial surveys. Panelists participate via monthly self-administered Web surveys. Panelists who do not have internet access are provided with a tablet and wireless internet connection. The […]
How do you write survey questions that accurately measure public opinion?
In the second video from our Methods 101 series, we’re tackling why question wording is so important in public opinion surveys.
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.