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Methodological Research
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As more money flows into campaigns, Americans worry about its influence
There’s more money in the political system than at any time since the reforms of the 1970s, a trend that concerns most Americans regardless of party or ideology.
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How Pew Research Center studied the Washington press corps
Jesse Holcomb, associate director of research at the Center, explains how the new report was put together.
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Apps Permissions in the Google Play Store
Analysis of over 1 million apps in Google’s Android operating system in 2014 shows apps can seek 235 different kinds of permissions from smartphone users. The average app asks for five permissions.
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Who’s left out in a Web-only survey and how it affects results
We surveyed non-Web panel members by mail and assessed how much, if at all, their non-participation would affect the outcome in a poll conducted exclusively online.
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The many ways to measure economic inequality
Just what is “economic inequality”? Depends on whom you ask.
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The art and science of the scatterplot
This type of chart is growing more popular, but just half of those with a high school education or less correctly interpreted one in our science quiz.
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The Whys and Hows of Generations Research
At the center of the Pew Research Center’s mission is a commitment to measuring public attitudes on key issues and documenting differences in attitudes between demographic and political groups. An individual’s age is one of the most common predictors of differences in attitudes and behaviors. On issues ranging from foreign affairs to social policy, age […]
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Signature Reports
A Field Guide to Polling: Election 2020 Edition
While survey research in the United States is a year-round undertaking, the public’s focus on polling is never more intense than during the run-up to a presidential election.
Growing and Improving Pew Research Center’s American Trends Panel
Pew Research Center’s American Trends Panel (ATP) is now the Center’s principal source of data for U.S. public opinion research.
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.
Are Telephone Polls Understating Support for Trump?
An experiment comparing responses to 27 questions fielded on both a telephone and a web survey found no significant mode differences in overall opinion about Trump or many of his signature policy positions.
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