Telephone polls still provide accurate data on a wide range of social, demographic and political variables, but some weaknesses persist.
Survey conducted Aug. 23 – September 2, 2016
Methods
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About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.
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