Donhoff, Hans-Ulrich, "Systems for Modeling and Simulating in Schools", 1994
This paper wants to report about an approach to make German pupils familiar with the problem of system dynamics, to promote the comprehension of complex system, to teach them something like "thinking in networks". To reach this aim we employed a tool for modeling and simulating, comparable with well-known systems as Ithink or POWERSIM, but able to run on simple PCs under MS-DOS. Using this tool we have developed the following four units (the subject in parentheses): -Ecosystem forest (ecological balance, biology) -Flows of carbon dioxide (chemistry) -Growth (mathematics) -"Tycoon" (economy) Two of these units, "forest" and "economy" are the basis of our research. In 11 groups with 238 pupils we made pre-tests, video recording and final tests, The results in the field "model thinking" were remarkably better then in a polite study, initiated two years ago, the semantic and the syntactic correctness of the models have increased as well. This will be evaluation of several items, regarding the aspects -prediction of behavior -forms of presentation, and -level of net structure.
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