The option "none of these" improves multiple-choice test items.
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Education, Dental↗
Biomedical subjects
R K Kolstad
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Format selection in machine-scored classroom achievement tests.
Performance on classroom achievement tests should reflect student accomplishment on a targeted set of instructional objectives. One prerequisite for meaningful edumetric assessment is the structuring of each component item in an appropriate format. In a comparative study measuring the effect of item format on student performance, incorrect choices were selected 2.4-fold more frequently on multiple choice items than on their content-identical, multiple true-false derivatives. On similar trials, scores on complex multiple-choice items ranged upward of 20 percent higher than on their content-identical, multiple true-false counterparts. The strengths and weaknesses of various test item formats are discussed and specific recommendations for format selection are made.
Achievement↗