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Constrained Thinking in Chemistry Vicente Talanquer, Ph.D.; University of Arizona (Click name for speaker's biography) Many researchers consider that learning and reasoning in any given area are constrained. Constrained knowledge systems allow us to make reasonable inferences about the world given limited time and knowledge. We have argued that core learning constraints in chemistry can be conceived as sets of interrelated implicit assumptions about the properties of substances and processes, together with associated reasoning strategies to make quick predictions and decisions. In this seminar, I will present and discuss the results of our research on the implicit assumptions and heuristics that seem to constrain novice chemistry students' reasoning and decision-making.
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