Numbers, Facts and Trends Shaping Your World
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Alexandra Castillo is a research methodologist in international research methods at Pew Research Center. She advises on complex sample design, survey implementation, and data quality assessment for international projects across the Center. Alexandra received her doctorate in political science at the Ohio State University, where she specialized in comparative politics and political psychology. She regularly […]
The American Trends Panel survey methodology The American Trends Panel (ATP), created by Pew Research Center, is a nationally representative panel of randomly selected U.S. adults. Panelists participate via self-administered web surveys. Panelists who do not have internet access at home are provided with a tablet and wireless internet connection. The panel is being managed […]
The random-digit-dial survey (RDD) was conducted according to Pew Research Center’s standard protocol for RDD surveys. Interviewing occurred April 25 through May 1, 2018, with 1,503 adults living in the U.S., including 376 respondents on a landline telephone (25% of the total) and 1,127 on a cellphone (75%). The parallel registration-based sampling survey interviewed 1,854 […]
This Pew Research Center analysis is based on surveys of parents and teens that were conducted using the NORC AmeriSpeak panel. AmeriSpeak is a nationally representative, probability-based panel of the U.S. household population. Randomly selected U.S. households are sampled with a known, nonzero probability of selection from the NORC National Frame, and then contacted by […]
The goal for selecting news outlets was to ask about a list of well-known outlets that capture a broad range of news media, in terms of platform (print, radio, TV or digital), audience size, funding sources (public vs. private) and ideological appeal. Taking into consideration questionnaire length, question battery length, the mode of the survey […]