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.

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