Who’s left out in a Web-only survey and how it affects results
We surveyed non-Web panel members by mail and assessed how much, if at all, their non-participation would affect the outcome in a poll conducted exclusively online.
From Telephone to the Web: The Challenge of Mode of Interview Effects in Public Opinion Polls
Among the most striking trends in the field of survey research in the past two decades is the shift from interviewer-administered to self-administered surveys. Fueled by the growth of the internet, self-administration as a survey mode presents a mixture of opportunities and challenges to the field.
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.
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.
