Constrained Subjective Assessment of Student Learning |
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| Authors: | Email author" target="_blank">Sokol?SaliuEmail author |
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| Institution: | (1) Department of Signals and Systems, Chalmers University of Technology, Campus Lindholmen, Jupiter Building, P.O. Box 8873, SE-402 72 Goteborg, Sweden |
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| Abstract: | Student learning is a complex incremental cognitive process; assessment needs to parallel this, reporting the results in similar terms. Application of fuzzy sets and logic to the criterion-referenced assessment of student learning is considered here. The constrained qualitative assessment (CQA) system was designed, and then applied in assessing a past course in microcomputer system design (MSD). CQA criteria were articulated in fuzzy terms and sets, and the assessment procedure was cast as a fuzzy inference rule base.An interactive graphic interface provided for transparent assessment, student “backwash,” and support to the teacher when compiling the tests. Grade intervals, obtained from a departmental poll, were used to compile a fuzzy “grade” set. Assessment results were compared to those of a former standard method and to those of a modified version of it (but with fewer criteria). The three methods yielded similar results, supporting the application of CQA. The method improved assessment reliability by means of the consensus embedded in the fuzzy grade set, and improved assessment validity by integrating fuzzy criteria into the assessment procedure. |
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| Keywords: | teaching learning assessment criterion-referenced assessment fuzzy sets fuzzy logic |
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