Literaturnachweis - Detailanzeige
| Autor/inn/en | Puhan, Gautam; Sinharay, Sandip; Haberman, Shelby; Larkin, Kevin |
|---|---|
| Titel | Comparison of Subscores Based on Classical Test Theory Methods. Research Report. ETS RR-08-54 |
| Quelle | In: ETS Research Report Series, (2008), (45 Seiten)Infoseite zur Zeitschrift
PDF als Volltext kostenfreie Datei |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 2330-8516 |
| Schlagwörter | Comparative Analysis; Scores; Tests; Certification; Institutional Characteristics; Item Response Theory; Statistical Analysis; Multiple Choice Tests; Graphs; Error of Measurement; Prediction |
| Abstract | Will reporting subscores provide any additional information than the total score? Is there a method that can be used to provide more trustworthy subscores than observed subscores? These 2 questions are addressed in this study. To answer the 2nd question, 2 subscore estimation methods (i.e., subscore estimated from the observed total score or subscore estimated using both the observed subscore and observed total score) are compared. Analyses conducted on 8 certification tests indicated that reporting subscores at the examinee level may not be necessary as they do not provide much additional information than the total score. However, at the institutional level (for institution size greater than 30), reporting subscores may not be harmful, although it may be redundant. Finally, results indicated that subscores estimated using both the observed subscore and observed total score were the most trustworthy and may be used if subscores were to be reported. (As Provided). |
| Anmerkungen | Educational Testing Service. Rosedale Road, MS19-R Princeton, NJ 08541. Tel: 609-921-9000; Fax: 609-734-5410; e-mail: RDweb@ets.org; Web site: https://www.ets.org/research/policy_research_reports/ets |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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