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    Methodology

    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 […]

  • report

    Appendix B: Mode effects as a source of error in political surveys

    Research suggests that the social interaction inherent in a telephone or in-person interview may exert subtle pressures on respondents that affect how they answer questions. The ways respondents change in response to these pressures is the basis of “mode studies” in social science. For example, respondents may feel a need to present themselves in a […]

  • report

    Methodology

    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 […]

  • report

    Methodology

    The analysis in this report is based on several Pew Research Center surveys. The main findings on technology adoption are from a telephone survey of 3,015 U.S. adults conducted Sept. 29-Nov. 6, 2016. Fully 757 respondents were interviewed on landline telephones, and 2,258 were interviewed on cellphones, including 1,342 who had no landline telephones. The […]

  • report

    Methodology

    The American Trends Panel (ATP), created by Pew Research Center, is a nationally representative panel of randomly selected U.S. adults who participate via monthly self-administered web surveys. Panelists were recruited from landline and cellphone random-digit-dial surveys. Panelists who do not have internet access are provided with a tablet and wireless internet connection. The panel is […]

  • report

    Neil G. Ruiz

    Neil G. Ruiz is Pew Research Center’s Head of New Research Initiatives. In this role, he is responsible for inspiring and advancing new opportunities for organizational growth and evolution. He works closely with the Center’s president to conceptualize and drive new strategies that expand the Center’s scope and capacity to do new research and serve […]

  • report

    Methodology

    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 […]