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An Eigenvector Method for Estimating Item Parameters of the Dichotomous and Polytomous Rasch Models.
Peer reviewedGarner, Mary; Engelhard, George, Jr. – Journal of Applied Measurement, 2002
Describes a technique for obtaining item parameters of the Rasch model, a technique in which the item parameters are extracted from the eigenvectors of a matrix derived from comparisons between pairs of items. Describes advantages of this technique, which can be applied to both dichotomous and polytomous data. (SLD)
Descriptors: Estimation (Mathematics), Item Response Theory, Matrices, Test Items
Peer reviewedEngelhard, George, Jr. – Journal of Applied Measurement, 2001
Explores the interactions among measurement theories, reading theories, and measurement practices from a historical perspective. Describes a conceptual framework for examining the assessment of reading and reviews major research traditions in measurement theory in the 20th century. Also provides a brief history of the Rasch measurement theory in…
Descriptors: Educational Theories, Evaluation Methods, Interaction, Measurement Techniques
