Mental Models Of Dynamic Systems

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MENTAL MODELS OF DYNAMIC SYSTEMS James K. Doyle, Department of Social Science and Policy Studies, Worcester Polytechnic Institute, USA David N. Ford, Department of Civil Engineering, Texas A&M University, USA Michael J. Radzicki, Department of Social Science and Policy Studies, Worcester Polytechnic Institute, USA W. Scott Trees, Department of Economics, Siena College, USA Key words system dynamics, mental models, dynamic decision making, learning, causal reasoning, simulation, information processing, memory, cognitive processes, cognitive limitations, bounded rationality, feedback Contents Introduction Definition Characteristics The Role of Mental Models in Dynamic Decision Making The Role of System Dynamics in Improving Mental Models Principles for Mental Models Research Priorities for Future Research Glossary Bounded rationality: the theory that human decision making is rational only insofar as the rational solution does not require calculations or mental efforts that exceed cognitive limitations Causal loop diagramming: A diagramming technique for representing the feedback structure of systems in which variables are linked by causal arrows that indicate the direction (positive or negative) of relationships Chunk: a meaningfully organized grouping of information held in working memory Cognitive process: any mental activity that acquires, stores, transforms, reduces, elaborates, or uses knowledge Decision rule: a plan, strategy, or set of procedures that describes how decisions should be made 1 Dynamic decision making: the process of assessing and choosing among alternatives in the course of managing a system that changes over time Feedback: the transmission and return of information Group model building: A methodology for building system dynamics computer models in which a group or team of people participate actively and simultaneously in building the
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