Literaturnachweis - Detailanzeige
| Autor/in | Zhang, Bo |
|---|---|
| Titel | Assessing the Accuracy and Consistency of Language Proficiency Classification under Competing Measurement Models |
| Quelle | In: Language Testing, 27 (2010) 1, S.119-140 (22 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0265-5322 |
| DOI | 10.1177/0265532209347363 |
| Schlagwörter | Language Tests; Classification; Item Response Theory; Statistical Analysis; Second Language Learning; Models; Language Proficiency; Certification; Testing; Adults; Cutting Scores; Measurement |
| Abstract | This article investigates how measurement models and statistical procedures can be applied to estimate the accuracy of proficiency classification in language testing. The paper starts with a concise introduction of four measurement models: the classical test theory (CTT) model, the dichotomous item response theory (IRT) model, the testlet response theory (TRT) model, and the polytomous item response theory (Poly-IRT) model. Following this, two classification procedures are presented: the Livingston and Lewis method for CTT and the Rudner method for the three IRT-based models. The utility of these models and procedures are then evaluated by examining the accuracy of classifying 5000 language test takers from a large-scale language certification examination into two proficiency categories. (Contains 7 tables and 4 figures.) (As Provided). |
| Anmerkungen | SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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