Numbers, Facts and Trends Shaping Your World

Read our research on:

Search results for: “results”

Refine Your Results

  • report

    3. Variability of survey estimates

    While previous sections of this report have focused on the kinds of systematic biases that may be the largest worry when it comes to public opinion polls, the variance (or precision) of estimates is important as well. Pollsters most commonly talk about precision in terms of the “margin of error” (MOE), which describes how much […]

  • report

    Methodology

    This report brings together analysis of survey and demographic data from various previously published Pew Research Center reports. It also includes new analysis of the religious beliefs and practices of Orthodox Christians in Ethiopia and historical data on the distribution of Orthodox Christians, Catholics and Protestants around the world. Attitudinal data was collected through nationally […]

  • report

    Appendix: Political categorization

    For this report, we grouped people into two political categories: those who support the governing political party (or parties) and those who do not. These categories were coded based upon the party or parties in power at the time the survey was fielded and respondents’ answers to a question asking them which political party, if […]

  • report

    How Does Pew Research Center Measure the Religious Composition of the U.S.? Answers to Frequently Asked Questions

    Question 1: Measuring religious identity How does Pew Research Center measure the religious identity of survey respondents and the religious composition of the U.S.? Answer: Generally, we rely on respondents’ self-identification.  A key question we ask in many surveys is: “What is your present religion, if any? Are you Protestant, Roman Catholic, Mormon, Orthodox such […]

  • report

    1. The elements of the information-engagement typology

    There are any number of ways to assess the public’s approach to facts and information. One method could involve case studies or experiments to test how people respond to specific information-evaluation challenges. Another  might attempt an in-depth assessment of a specific event and research how people learned about it and reacted to it. In this […]