Using a Difficulty‐Anchored Rating Scale in Performing Angoff Ratings

While the Angoff (1971) is a commonly used cut score method, critics (Berk, 1996; Impara this scale can be viewed as a variation of the Angoff normative data modification. The rating scale presented test items having known p-values as anchors, and served as a simple means of providing normative information to guide the Angoff rating process. Results are discussed regarding reliability of the mean Angoff rating (.73) and the correlation of mean Angoff ratings with item difficulty (observed r ranges from .65 to .73).