Literaturnachweis - Detailanzeige
Autor/inn/en | Li, Ying; Jiao, Hong; Lissitz, Robert W. |
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Titel | Applying Multidimensional Item Response Theory Models in Validating Test Dimensionality: An Example of K-12 Large-Scale Science Assessment |
Quelle | In: Journal of Applied Testing Technology, 13 (2012) 2, (27 Seiten)
PDF als Volltext |
Sprache | englisch |
Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
Schlagwörter | Achievement Tests; Science Tests; Item Response Theory; Measures (Individuals); Elementary Secondary Education; Testing Programs; Program Validation; Multidimensional Scaling; Models; Group Testing; Test Validity; Item Analysis |
Abstract | This study investigated the application of multidimensional item response theory (IRT) models to validate test structure and dimensionality. Multiple content areas or domains within a single subject often exist in large-scale achievement tests. Such areas or domains may cause multidimensionality or local item dependence, which both violate the assumptions of the unidimensional IRT models currently used in many statewide large-scale assessments. An empirical K-12 science assessment was used as an example of dimensionality validation using multidimensional IRT models. The unidimensional IRT model was also included as the most commonly used model in current practice. The procedures illustrated in this real example can be utilized to validate the test dimensionality for any testing program once item response data are collected. (Contains 7 tables and 4 figures.) (As Provided). |
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Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2017/4/10 |