Validity and Reliability of Scores Obtained on Multiple ...

Journal of the Scholarship of Teaching and Learning, Vol. 16, No. 1, February 2016, pp.1--14. doi: 10.14434/josotl.v16i1.19106

Validity and Reliability of Scores Obtained on Multiple-Choice Questions: Why Functioning Distractors Matter

Syed Haris Ali1, Patrick A. Carr2, Kenneth G. Ruit3

Plausible distractors are important for accurate measurement of knowledge via multiple-choice questions (MCQs). This study demonstrates the impact of higher distractor functioning on validity and reliability of scores obtained on MCQs. Freeresponse (FR) and MCQ versions of a neurohistology practice exam were given to four cohorts of Year 1 medical students. Consistently non-functioning multiple-choice distractors ( ................
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