Language as a confounding variable in the diagnosis of misconceptions |
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| Authors: | Douglas Clerk Margaret Rutherford |
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| Institution: | University of the Witwatersrand, Johannesburg, South Africa |
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| Abstract: | The study reported in this paper examines the possibility that language confusion can be mistaken for misconception. A written test, consisting of 20 multiple choice items that had been used by other authors to diagnose misconceptions in physics was administered to a sample of matric level, English first language, South African students. A sub-sample of these subjects was then interviewed to explore the reasoning behind their choices in the written test. An analysis of the interviews showed that in several cases, distractors were chosen by subjects who did not hold the target misconceptions the items were intended to diagnose, and that language usage, for example misinterpretation of the question text, was frequently the reason behind the choices. The findings indicate that caution is needed in interpreting students' responses to multiple choice questions. |
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