Etiënne A. J. A. Rouwette

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research centers on changes in attitudes and behavior as a result of participating in system dynamics group modeling approaches, gaming simulations and electronic meetings. Jac A.M. Vennix received his Ph.D. from Nijmegen University and is currently full professor of research methodology at the Faculty of Management Sciences of Nijmegen University. He has(More)
Facilitated modelling is used in supporting the resolution of strategic issues mainly because it is expected to improve communication between decision makers, foster consensus and create commitment. Researchers in both the strategy and facilitated modelling fields call for more systematic research on how strategy development works in practice and how(More)
This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may(More)
Many field studies are available that describe successful applications of model driven group decision support methodologies. However, these studies suffer from a potential bias of contextual factors. We aim at a more rigorous testing of the effectiveness of a particular model driven approach, Group Model Building (GMB). The purpose of our research is to(More)
In this paper we report if and how validation is integrated in the different participatory approaches in System Dynamics. After this we present an analysis of 86 case studies to create a picture of how validation is conducted and reported in the field. We found that validation is hardly described as an integrated part of any participatory modeling approach.(More)
BACKGROUND Diabetes is highly prevalent in the Caribbean, associated with a high morbidity and mortality and is a recognised threat to economic and social development. Heads of Government in the Caribbean Community came together in 2007 and declared their commitment to reducing the burden of non-communicable diseases (NCDs), including diabetes, by calling(More)
Empirical evidence on how cognitive factors impact the effectiveness of model-supported group decision making is lacking. This study reports on an experiment on the effects of need for closure, defined as a desire for definite knowledge on some issue and the eschewal of ambiguity. The study was conducted with over 40 postgraduate student groups. A(More)
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