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Direct linkGattamorta, Karina A.; Penfield, Randall D. – Applied Measurement in Education, 2012
The study of measurement invariance in polytomous items that targets individual score levels is known as differential step functioning (DSF). The analysis of DSF requires the creation of a set of dichotomizations of the item response variable. There are two primary approaches for creating the set of dichotomizations to conduct a DSF analysis: the…
Descriptors: Measurement, Item Response Theory, Test Bias, Test Items
Peer reviewedPlake, Barbara S. – Applied Measurement in Education, 1995
This article provides a framework for the rest of the articles in this special issue comparing the utility of three standard-setting methods with complex performance assessments. The context of the standard setting study is described, and the methods are outlined. (SLD)
Descriptors: Comparative Analysis, Criteria, Decision Making, Educational Assessment
