Numbers, Facts and Trends Shaping Your World
Survey conducted Aug. 15-21, 2017 The analysis in this report is based on telephone interviews conducted Aug. 15-21, 2017 among a national sample of 1,893 adults. The interviews were conducted among adults 18 years of age or older previously interviewed in one of two Pew Research Center surveys conducted June 8-18, 2017, of 2,504 adults […]
The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.
To analyze the news that members of Congress share with their Facebook followers, researchers obtained a complete set of posts created by members of the U.S. Senate and House of Representatives and posted on their official pages between Jan. 2, 2015, and July 20, 2017. Researchers used the Facebook Graph API to download the posts. […]
The trend analysis in the report relies on data from multiple Pew Research Center surveys that have been combined, by year, to minimize the sampling error. The combined surveys were national surveys of U.S. adults conducted using live telephone interviewing and random-digit-dial (RDD) sampling. Surveys conducted before 2007 featured landline RDD samples. Surveys conducted in […]
The analysis in this report is based on telephone interviews conducted April 7-11, 2017. These questions were added on April 7. The full survey was conducted April 5-11, 2017, among a national sample of 1,501 adults, 18 years of age or older, living in all 50 U.S. states and the District of Columbia (375 respondents […]
The analysis in this report is based on telephone interviews conducted April 7-11, 2017. These questions were added on April 7. The full survey was conducted April 5-11, 2017, among a national sample of 1,501 adults, 18 years of age or older, living in all 50 U.S. states and the District of Columbia (375 respondents […]
The analysis in this report is based on telephone interviews conducted April 5-11, 2017 among a national sample of 1,501 adults, 18 years of age or older, living in all 50 U.S. states and the District of Columbia (375 respondents were interviewed on a landline telephone, and 1,126 were interviewed on a cell phone, including […]