Social and Behavioral Research and the Internet (PDF)

Marcel Das is Professor of Econometrics and data collection at the Department of Econometrics and Operations Research at the Tilburg School of Economics and Management at Tilburg University in the Netherlands. In 2000, he became the director of CentERdata, a survey research institute specialized in Web-based surveys, housed at Tilburg University. Das has managed a large number of national and international research projects. His research interests include design issues in Web-based interviewing and micro-econometric modeling of household behavior. He received his Ph.D. in Economics from Tilburg University in 1998.

Peter Ester is Professor of Labour Markets Issues at Rotterdam University and a former Professor of Sociology at Tilburg University in the Netherlands. He is former chairman of the Board of Overseers of CentERdata, Board member of Statistics in the Netherlands, and of IAB - the federal German Institute of Employment Research, and Crown Member of the Dutch Social and Economic Council (SER). He has published extensively on cross-national and intergenerational trends in attitudes and values. Ester was involved in numerous national and international social survey projects in the last 25 years. He received his Ph.D. in Economics from Erasmus University Rotterdam in 1984.

Lars Kaczmirek is a survey researcher at GESIS- Leibniz Institute for the Social Sciences in Mannheim, Germany. His research focuses on methodology in online surveys, reducing survey error, website evaluation, and usability issues. He has managed and reviewed a large number of national and international online survey projects. Kaczmirek is a member of the Board of the German Society for Online Research (DGOF) and a member of the Editorial Board of the Neue Schriften zur Online Forschung (New Publications in Online Research) book series. He received his Ph.D. in Psychology from the University of Mannheim in 2008.