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Open Access. Powered by Scholars. Published by Universities.®

2017

Scholarship of Teaching and Learning

Journal

Perspectives In Learning

Test bank; item analysis

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The Trouble With Test Banks, Harvey Richman, Molly Hrezo Aug 2017

The Trouble With Test Banks, Harvey Richman, Molly Hrezo

Perspectives In Learning

We compared the psychometrics of quiz questions randomly selected from a test bank with the psychometrics of quiz questions the instructor had selected from the bank for quality and modified (if necessary). On multiple psychometric indices, the instructor selected/modified questions were superior to questions randomly selected from the test bank. Most notably, when compared with instructor written/modified questions, randomly selected bank questions were nearly 6.5 times more likely to contain a distractor that drew more responses than the correct answer. Details and implications are discussed.