report | Apr 8, 2015

Building Pew Research Center’s American Trends Panel

In early 2014, Pew Research Center set out to build a probability-based panel – the American Trends Panel – to supplement our traditional method of data collection in the U.S. – the random digit dial (RDD) telephone survey. Here's how we built and managed the panel, and what we learned from it in 2014.

report | Apr 1, 2015

App vs. Web for Surveys of Smartphone Users

Pew Research Center methodologists examine the efficacy of intensive data collection with a probability-based panel and the differences in participation and responses when using a smartphone app as opposed to a web browser for a study of smartphone use.

report | Dec 29, 2010

How accurate are online polls?

Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.

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