Comparison of Four Procedures for Equating the Tests of General Educational Development [microform] / Michael J. Kolen and Douglas R. Whitney
- Bib ID:
- 5400844
- Format:
- Book and Microform
- Author:
- Kolen, Michael J
- Online Version:
- https://eric.ed.gov/?id=ED204405
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- Description:
-
- [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1981
- 33 p.
- Summary:
-
Procedures used to compare the results from item response theory as well as more traditional equating methods were described and critically analyzed. The implications of the comparison of equipercentile, linear, one-parameter (Rasch), and three-parameter methods for equating twelve forms of each of the five tests of General Educational Development (GED) were discussed. The use of factor analyses to assess test dimensionality, examination of equating curves, examination of item parameter estimates for extremes, comparison of equating sample means and variances, and cross-validation analyses were recommended for use by testing programs contemplating a switch from traditional to item response theory equating. The three-parameter equating method produced unacceptable equating results--possibly because only 200 examinees per equating form were used. The one-parameter (Rasch) method produced results which were as stable as those for the traditional methods. (Author)
- Notes:
-
- ERIC Note: Paper presented at the Annual Meeting of the American Educational Research Association (65th, Los Angeles, CA, April 13-17, 1981).
- 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:
- Other authors/contributors:
- Whitney, Douglas R, author
- Available From:
- ERIC
- Copyright:
-
In Copyright
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Copyright status was determined using the following information:
- Material type:
- Literary Dramatic Musical
- Published status:
- Published
- Publication date:
- 1981
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