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Probing Middle School Students' Understanding of Computer Models

Fri, April 28, 12:25 to 1:55pm, Henry B. Gonzalez Convention Center, Floor: Street Level, Stars at Night Ballroom 4

Abstract

Computer models are powerful tools for teaching science, but middle-school students hold many non-normative ideas about how models work and how to interpret them. 133 middle school students completed an assessment of model understanding, and revealed a variety of ideas that may interfere with learning the target science content. When interpreting models, students’ often identified causes and outcomes, but missed the key intermediate causal mechanisms. Students generally had a superficial understanding of model accuracy, and could not meaningfully critique the accuracy of a computer model. Questions that asked students about the inner workings of models revealed aspects of their science understanding that were not demonstrated on questions that asked for explanations of what the model showed.

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