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The effect of content knowledge on the precision of Angoff judges.


Margolis M, Clauser B, Mee J. — National Board of Medical Examiners

Clauser JC. — American Board of Internal Medicine

Presented: National Council on Measurement in Education Annual Meeting, April 2015

Abstract: This study investigated whether correctly answering an item is a significant factor in predicting judge behavior. Judges first answered and then provided Angoff judgments for a set of 45 items. Judgments were significantly lower for items that judges answered incorrectly, suggesting that content knowledge has important implications for standard-setting outcomes.

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