Literaturnachweis - Detailanzeige
| Autor/inn/en | Sykes, Robert C.; Hou, Liling |
|---|---|
| Titel | Weighting Constructed-Response Items in IRT-Based Exams |
| Quelle | In: Applied Measurement in Education, 16 (2003) 4, S.257-275 (19 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0895-7347 |
| DOI | 10.1207/S15324818AME1604_1 |
| Schlagwörter | Item Response Theory; Weighted Scores; Responses; Test Items; Test Reliability; Writing Tests; Multiple Choice Tests; Error of Measurement |
| Abstract | Weighting responses to Constructed-Response (CR) items has been proposed as a way to increase the contribution these items make to the test score when there is insufficient testing time to administer additional CR items. The effect of various types of weighting items of an IRT-based mixed-format writing examination was investigated. Constructed-response items were weighted by increasing their representation according to the test blueprint, by increasing their contribution to the test characteristic curve, by summing the ratings of multiple raters, and by applying optimal weights utilized in IRT pattern scoring. Total score and standard errors of the weighted composite forms of CR and Multiple-Choice (MC) items were compared against each other and against a form containing additional rather than weighted items. Weighting resulted in a slight reduction of test reliability but reduced standard error in portions of the ability scale. (Author). |
| Anmerkungen | Lawrence Erlbaum Associates, Inc. 10 Industrial Avenue, Mahwah, NJ 07430-2262. Tel: 800-926-6579; Tel: 201-258-2200; Fax: 201-236-0072; e-mail: journals@erlbaum.com; Web site: https://www.LEAonline.com |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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