Theory Group

The Theory Group takes care of the substantive issues in the questionnaire. The members critically evaluate the existing questionnaire and prepare proposals for improvements, new topics and issues to be included and items and questions to be dropped. Further they initiate publications and make proposals for meetings/seminars/congresses and sessions at existing congresses.


David Voas



Pierre Bréchon
Paul de Graaf
Loek Halman
Pedro Magalhães
Ladislav Rabusic
Giancarlo Rovati
Christof Wolf


This week's featured article


Mixed-mode implementation in the EVS One of the methodological innovations of the 5th wave of EVS is the possibility to carry out a mixed-mode data collection. Some countries will develop a self-administered Web survey (with postal follow-up in some cases) in parallel to the traditional, face-to-face…click for more details