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Roger Tourangeau Editor & Author

Roger Tourangeau is a Vice President at Westat. Brad Edwards is a Vice President and Deputy Area Director at Westat. Timothy P. Johnson is Director of the Survey Research Laboratory and Professor of Public Administration at the University of Illinois, Chicago. Kirk M. Wolter is Executive Vice President, NORC at the University of Chicago and Professor, Department of Statistics, University of Chicago. Nancy Bates is a Senior Researcher for Survey Methodology at the US Census Bureau.