Complex Systems and Decision Making

Model validation constitutes a very important step in system dynamics methodology. Yet, both published and informal evidence indicates that there has been little effort in system dynamics community explicitly devoted to model validity and validation. Validation is a prolonged and complicated process, involving both fo…

Although operations research (OR) and constraint programming (CP) have different roots, the links between the two communities have grown stronger in recent years. For solving combinatorial optimization problems, the techniques of CP and OR will become so interdependent that the two research communities could eventuall…

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Abstract System dynamics models, as causal models, are much like scientific theories. Hence, in evaluating such models, we assume certain norms of scientific inquiry. Most critics hold that the system dynamics approach does not employ formal, objective, quantitative model validation tests. This article argues that thi…

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• YAMAN BARLAS

Model validation constitutes a very important step in system dynamics methodology. Yet, both published and informal evidence indicates that there has been little effort in system dynamics community explicitly devoted to model validity and validation. Validation is a prolonged and complicated process, involving both fo…

The field of crisis management has been seriously impeded by its failure to develop appropriate frameworks for the study of crises. This state of affairs is due at the very least to two major issues: (1) outmoded and invalid views of the nature of crises, and (2) the widespread use of outmoded and inappropriate concep…

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• FUSUN ÜLENGİN

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• KEMAL BURÇ ÜLENGİN

This conceptual study examines the analogies between schools and complex adaptive systems and identifies strategies used to manage schools as complex adaptive systems. Complex adaptive systems approach, introduced by the complexity theory, requires school administrators to develop new skills and strategies to realize…

• TUNCER FİDAN

The authors present an interactive simulation model on which the academic aspects of university management can be analyzed and alternative management strategies tested. The model focuses specifically on long-term, dynamic, strategic management problems, such as growing student/faculty ratios, poor teaching quality, an…