This report is made possible by the Pew Charitable Trusts. This report is a collaborative effort based on the input and analysis of the following individuals. Find related reports online at pewresearch.org/pewresearch-org/science

Primary research team

Cary Funk, Associate Director, Research Brian Kennedy, Research Associate Meg Hefferon, Research Assistant Lee Rainie, Director, Internet, Science, Technology Research Monica Anderson, Research Associate Kenneth Olmstead, Research Associate

Collaborating research team

Claudia Deane, Vice President, Research Jocelyn Kiley, Associate Director, Political Research Alec Tyson, Senior Researcher Bradley Jones, Research Associate Courtney Kennedy, Director, Survey Research Kyley McGeeney, Research Methodologist Andrew Mercer, Research Methodologist Nick Hatley, Research Assistant

Editorial and graphic design

Shannon Greenwood, Copy Editor Margaret Porteus, Information Graphics Designer

Communications and web publishing

Dana Page, Senior Communications Manager Shannon Greenwood, Associate Digital Producer

Outside advisers

A number of outside experts helped guide the research in this report. We received valuable advice from John Besley, associate professor and Ellis N. Brandt Chair in Public Relations at Michigan State University, Karlyn Bowman, senior fellow and research coordinator, American Enterprise Institute, Gordon Gauchat, assistant professor of sociology, University of Wisconsin-Milwaukee, Dan Kahan, Elizabeth K. Dollard Professor of Law, Yale University. While the design and analysis of the project was guided by our consultations with these advisers, the Pew Research Center is solely responsible for the design, interpretation and reporting of the data.