Don A. Dillman is Regents Professor of Sociology and Deputy Director for Research in the Social and Economic Sciences Research Center at Washington State University in Pullman. He is author of a well-known book on survey design, Internet, Phone, Mail and Mixed-Mode Surveys: The Tailored Design Method (Dillman, Smyth and Christian) now in its fourth edition (Wiley, 2014) and many articles on survey design. A former President of the American Association for Public Opinion Research, his current research emphasizes the development of design principles for conducting high quality mixed-mode surveys of the general public and other survey populations.

Feng Hao received his PhD from Washington State University and is Assistant Professor of Sociology at the University of South Florida Sarasota-Manatee. His research interests include the interactions between human society and natural environment, employing multiple methodologies to analyze the anthropogenic ecological impact, public opinion about the environment, and the environmental movement. His publications have appeared in Social Science Quarterly, Perspectives on Global Development and Technology, and Rural Sociology. Cross-national projects include comparing environmental concern of the general public in China and the United States.

Morgan M. Millar received her PhD in Sociology from Washington State University and is Research Instructor at the University of Utah, Salt Lake City, in the Medical School Division of Epidemiology. Her primary interest is in survey methodology. Her publications have appeared in Public Opinion Quarterly and Survey Practice. Her current research is examining linkages between social status and the development of cancer.