Why and how we’re weighting surveys for past presidential vote
This piece explains why, when and how we are weighting our surveys on Americans’ past vote.
A behind-the-scenes blog about research methods at Pew Research Center.
For our latest findings, visit pewresearch.org.
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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.
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Why do some open-ended survey questions result in higher item nonresponse rates than others?
Nonresponse rates for open-ended survey questions on Pew Research Center’s American Trends Panel can range from 3% to just over 50%.
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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.
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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.
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How keyword oversampling can help with text analysis
Keyword oversampling can be a powerful way to analyze uncommon subsets of text data.
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How many Taiwanese live in the U.S.? It’s not an easy question to answer
Surveys can produce widely different estimates depending on how people are asked about their backgrounds.
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Using cognitive interviewing to design survey questions about democracy
Asking follow-up questions can help make sure that poll respondents are interpreting questions as intended.
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Developing survey questions on sensitive topics in India
Asking balanced questions required investing considerable time and effort into developing and testing the questionnaire.
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‘What’s the difference between income and wealth?’ and other common questions about economic concepts
Economic concepts aren’t always as understandable to the rest of us as they are to economists, and the jargon can be difficult to parse.
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Q&A: How Pew Research Center surveyed nearly 30,000 people in India
To represent the views of Indians from a wide range of backgrounds, we fielded our largest-ever single-country survey outside the U.S.
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To search or browse all of Pew Research Center findings and data by topic, visit pewresearch.org