Mario Callegaro Author & Editor

Mario Callegaro, Survey Research Scientist, Quantitative Marketing, Google Inc., UK

Reg Baker, President & Chief Operating Officer, Market Strategies International, USA

Paul J. Lavrakas, Nielsen Media Research, Research Psychologist/Research Methodologist, USA

Jon A. Krosnick, Professor of Political Science, Communication, Psychology, Stanford University, USA

Jelke Bethlehem, Department of Quantitative Economics, University of Amsterdam, The Netherlands

Anja Göritz, University of Erlangen-Nuremberg, Department of Economics and Social Psychology, Germany