Q&A: How we used large language models to identify guests on popular podcasts
We asked researchers how they used the newest generation of large language models to analyze roughly 24,000 podcast episodes.
Numbers, Facts and Trends Shaping Your World
Read our research on:
Methods
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Comparing Two Types of Online Survey Samples
Pew Research Center conducted a study to compare the accuracy of six online surveys of U.S. adults – three from probability-based panels and three from opt-in sources. On average, the absolute error on opt-in samples was about twice that of probability-based panels.
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When surveying small populations, some approaches are more inclusive than others
Modern survey tools offer several ways to survey small populations, and in this explainer, we discuss the strengths and weaknesses of prominent approaches.
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How Public Polling Has Changed in the 21st Century
A new study found that 61% of national pollsters used different methods in 2022 than in 2016. And last year, 17% of pollsters used multiple methods to sample or interview people – up from 2% in 2016.
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Does public opinion polling about issues still work?
National polls like the Center’s come within a few percentage points, on average, of benchmarks from high response rate federal surveys.
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How to access Pew Research Center survey data
Pew Research Center makes most of its datasets available for download once reporting has been completed for a given study. Here’s how to find and access our data.
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Want to better understand how surveys work? We’ve got an email course for you
If you’ve wondered what opinion polls are for, how they are done or how to tell a good one from a bad one, sign up for our email mini-course.
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Polls on COVID-19 vaccination closely align with CDC data
Public polling estimates on COVID-19 vaccination have been within about 2.8 points, on average, of the CDC’s calculated rate.
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How Pew Research Center has dealt with the challenges of international polling during the pandemic
Since the initial disruptions of field operations due to COVID-19, we have been able to conduct 33 surveys in 17 countries and territories.
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How Call-In Options Affect Address-Based Web Surveys
One method to improve survey representation of the non-internet and less literate population is to allow people to take surveys offline. In March, we fielded a study to test the feasibility and effect of collecting data through respondent-initiated interactive voice response; here’s what we found.
