January 26, 2018

For Weighting Online Opt-In Samples, What Matters Most?

Acknowledgements

This report was made possible by The Pew Charitable Trusts. Pew Research Center is a subsidiary of The Pew Charitable Trusts, its primary funder.

This report is a collaborative effort based on the input and analysis of the following individuals:

Research team

Andrew Mercer, Senior Research Methodologist
Arnold Lau, Research Analyst
Courtney Kennedy, Director, Survey Research
Nick Hatley, Research Analyst
Scott Keeter, Senior Survey Advisor

Communications and editorial

Rachel Weisel, Communications Manager
Hannah Klein, Communications Associate
David Kent, Copy Editor

Graphic design and web publishing

Bill Webster, Information Graphics Designer
Travis Mitchell, Digital Producer

Colleagues both within and outside of Pew Research Center contributed greatly to the development and execution of this study. We would especially like to thank Claudia Deane for her editorial contributions, as well as Trent Buskirk for his helpful guidance and advice.