Field dates: July 30, 2018 – Aug. 12, 2018
when designing an online survey questionnaire, there is more than one way to ask a respondent to select which options in a series applies to them.
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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.
