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 Courtney Kennedy, Director, Survey Research Andrew Mercer, Research Methodologist Nick Bertoni, Panel Manager Nick Hatley, Research Assistant

Editorial and graphic design

Marcia Kramer, Kramer Editing Services 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 at the American Enterprise Institute; Gordon Gauchat, assistant professor of sociology at the University of Wisconsin-Milwaukee; Dan Kahan, Elizabeth K. Dollard Professor of Law at Yale University; and Carolyn Miller, a veteran survey researcher who is a senior program officer at the Robert Wood Johnson Foundation. We also received helpful advice on the analysis of this survey from Dan Salmon, associate professor in the Bloomberg School of Public Health at Johns Hopkins University. While the design and analysis of the project was guided by our consultations with these advisers, Pew Research Center is solely responsible for the design, interpretation and reporting of the data.