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The “how” behind the numbers, facts and trends shaping your world.
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How we designed a scale to measure Americans’ knowledge of international affairs
How we designed a scale to measure Americans’ knowledge of international affairs
Pew Research Center recently sought to measure what U.S. adults know about geography, foreign leaders, institutions and other issues.
Laura Clancy
May 25
How we translate survey questions to be fielded around the world
How we translate survey questions to be fielded around the world
A look at current best practices in survey questionnaire translation and how Pew Research Center applies these approaches.
Ariana Salazar
Apr 22
Professional translators or Google Translate? Weighing the pros and cons of each
Professional translators or Google Translate? Weighing the pros and cons of each
Pew Research Center recently sought to translate more than 11,000 open-ended survey responses into English.
Patrick van Kessel
Dec 17, 2021
How we built our data science infrastructure at Pew Research Center
How we built our data science infrastructure at Pew Research Center
After venturing into the world of computational social science in 2015, the Center needed to develop new tools and workflows.
Brian Broderick
Dec 9, 2021
Behind Pew Research Center’s 2021 political typology
Behind Pew Research Center’s 2021 political typology
The typology study examines U.S. politics through the prism of people’s values and attitudes, not just their party labels.
Brad Jones
Nov 9, 2021
Why Pew Research Center will display margins of error in some graphics
Why Pew Research Center will display margins of error in some graphics
Showing margins of errors in graphics can help prevent readers from thinking that survey estimates are more precise than they really are.
Courtney Kennedy
Oct 25, 2021
Examining item nonresponse rates for open-ended survey questions
Examining item nonresponse rates for open-ended survey questions
Nonresponse rates for open-ended survey questions on Pew Research Center’s American Trends Panel can range from 3% to just over 50%.
Dorene Asare-Marfo
Oct 14, 2021
Validating 2020 voters in Pew Research Center’s survey data
Validating 2020 voters in Pew Research Center’s survey data
Surveys that ask about voting can be made more accurate by validating respondents’ self-reported turnout with official voting records.
Scott Keeter
Sep 30, 2021
Are topic models reliable or useful?
Are topic models reliable or useful?
The final post in our series examines how topic models can and can’t help when classifying large amounts of text.
Patrick van Kessel
Sep 24, 2021
How keyword oversampling can help with text analysis
How keyword oversampling can help with text analysis
Keyword oversampling can be a powerful way to analyze uncommon subsets of text data.
Patrick van Kessel
Sep 24, 2021
About Pew Research Center: Decoded
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