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Towards a Model-based Diagnostic Instrument in Electricity and Magnetism: An Example Documents

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Towards a Model-based Diagnostic Instrument in Electricity and Magnetism: An Example 

written by Rasil Warnakulasooriya and Lei Bao

The identification of the contextual elements of a question is important. Based on our studies on the possible student mental models on certain concepts in electricity and magnetism, a set of multiple-choice questions were developed and tested. Examples of test questions and students' responses on one concept topic are discussed in detail. It is implied that measurement instruments developed based on a good understanding of the interactive relations between context features and the possible mental models can help identify important aspects of students' knowledge that are not available with current assessment tools.

Published August 7, 2002
Last Modified April 11, 2009

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