This paper presents research and provides a method to ensure that parallel assessments, that are generated from a large test-item database, maintain equitable difficulty and content coverage each time the assessment is presented. To maintain fairness and validity it is important that all instances of an assessment, that is intended to test the…

Psychometricians continue to introduce new approaches to setting cut scores for educational assessments in an attempt to improve on current methods. In this paper we describe the Item-Descriptor (ID) Matching method, a method based on IRT item mapping. In ID Matching, test content area experts match items (i.e., their judgments about the knowledge…