Numbers, Facts and Trends Shaping Your World
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A new Pew Research Center analysis of three weeks of the candidates’ Facebook and Twitter accounts finds both similarities and differences in the ways Hillary Clinton, Donald Trump and Bernie Sanders use these still relatively new campaign tools. The study of 714 tweets and 389 Facebook posts made by the candidates between May 11 and […]
This report uses data collected by Pew Research Center. To analyze gender differences in religious affiliation, it draws on estimates of religious composition in 192 countries and territories published in the Center’s April 2015 report, “The Future of World Religions: Population Growth Projections, 2010-2050.” The estimates are based on data from more than 2,500 censuses […]
To better understand the current landscape of commercially available online nonprobability samples, Pew Research Center conducted a study in which an identical questionnaire was administered to nine samples supplied by eight different vendors along with the Center’s probability-based online panel. A benchmarking analysis – in which a subset of each survey’s results was compared to […]
This report is a collaborative effort based on the input and analysis of the following individuals: Primary Researchers Courtney Kennedy, Director, Survey Research Andrew Mercer, Research Methodologist Scott Keeter, Senior Survey Advisor Nick Hatley, Research Assistant Kyley McGeeney, Research Methodologist Alejandra Gimenez, Intern Collaborating Researchers Claudia Deane, Vice President, Research Samantha Smith, Research Assistant Andrew […]
This appendix provides an overview of the data sources used in the report. It then describes statistical methods used to summarize differences between men and women, including regression analysis methods. Next, it discusses the meaning of the term “gender” in the context of this report. Finally, it concludes with discussion of the thresholds of religious […]