Appropriateness of IRT Observed Score Equating. Research Report 96-04 [microform] / Cees A. W. Glas and Anton A. Beguin
- Bib ID:
- 5621580
- Format:
- Book and Microform
- Author:
- Glas, Cees A. W
- Online Version:
- https://eric.ed.gov/?id=ED424238
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- Description:
-
- [Washington D.C.] : Distributed by ERIC Clearinghouse, 1996
- 45 p.
- Summary:
-
Recently, L. Zeng and M. J. Kolen (1995) have introduced item response theory (IRT) observed score (OS) equating of number-correct (NC) scores for equating different forms of a test. In this paper, IRT-OS-NC equating is adapted to equating the cut-off scores of examinations. Next, the differences between results obtained using a Rasch model for polytomously scored items and results obtained via the nominal response model are evaluated. For both versions of IRT-OS-NC equating confidence intervals are derived. Finally, two procedures for testing the validity of the procedure are presented. Differences between the two versions were not very large. The methods studied here are exemplified with the results of equating a number of the examinations in secondary education in the Netherlands. Some limitations of the approach are discussed. (Contains one figure and seven tables.) (Author/SLD)
- Notes:
-
- Availability: Faculty of Educational Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands.
- May also be available online. Address as at 14/8/18: https://eric.ed.gov/
- Reproduction:
- Microfiche. [Washington D.C.]: ERIC Clearinghouse microfiches : positive.
- Subject:
- Genre/Form:
- Reports, Evaluative
- Other authors/contributors:
- Available From:
- ERIC
- Copyright:
-
In Copyright
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Copyright status was determined using the following information:
- Material type:
- Literary, dramatic or musical work
- Published status:
- Published
- Publication date:
- 1996
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