Scale Drift in On-Line Calibration [microform] / Martha L. Stocking
- Bib ID:
- 5589098
- Format:
- Book and Microform
- Author:
- Stocking, Martha L
- Online Version:
- https://eric.ed.gov/?id=ED389710
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- Description:
-
- [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1988
- 150 p.
- Summary:
-
Recent advances in psychometrics and computer technology encourage the development of model-based methods of individualized testing on a microcomputer, where each examinee receives short tests and where the number of pretest items that can be administered is severely restricted. On-line (i.e., data is collected on operational equipment) methods for calibrating pretest items in this setting face new challenges. In the context of adaptive testing (CAT), two LOGIST-based methods of on-line calibration that were developed are described. These two methods were applied and compared in a simulation study using data from the CAT Armed Services Vocational Aptitude Battery. One of the methods was superior to the other in terms of statistical properties, but the superior method was more expensive to implement in terms of the numbers of items required and either the numbers of examinees or numbers of items per examinee required. Both methods showed scale drift, although the drift was in opposite directions for the two methods. Ways to reduce scale drift are explored. An appendix contains 4 tables and 22 figures, and 17 references are attached. (Author/SLD)
- Notes:
-
- Sponsoring Agency: Office of Naval Research, Arlington, VA. Cognitive and Neural Sciences Div.
- Contract Number: N00014-83-K-0457.
- 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:
- Educational Testing Service, Princeton, NJ
- 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:
- 1988
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