Martin F. G. Schaffernicht

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Polarity and causality are important concepts but have not received much attention in the system dynamics literature. The great effort it takes students to properly understand them has motivated this inquiry. In the framework of a conceptual model of interacting with complex systems, several cognitive tasks are proposed. This paper concentrates on one of(More)
Mental models are the basis on which managers make decisions even though external decision support systems may provide help. Research has demonstrated that more comprehensive and dynamic mental models seem to be at the foundation for improved policies and decisions. Eliciting and comparing such models can systematically explicate key variables and their(More)
This paper deals with the representation of mental models of dynamic systems (MMDS). Improving ’mental models’ has always been fundamental in the field of system dynamics. Even though a specific definition exists, no conceptual model of the structure of a MMDS has been offered so far. Previous research about the learning effects of system dynamics(More)
This paper posits mental modeling as autopoietic systems of ideas based on processes of selection. A thought experiment is proposed to illustrate the argumentation. After reviewing the essential features of selection theory and mental models, we present modeling as driven by a process of variations and selections. We then show how the deliberate process of(More)
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