Standard Error of an Equating by Item Response Theory [microform] / Frederic M. Lord
- Bib ID:
- 5410968
- Format:
- Book and Microform
- Author:
- Lord, Frederic M
- Online Version:
- https://eric.ed.gov/?id=ED214947
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- Description:
-
- [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1981
- 35 p.
- Summary:
-
A formula is derived for the asymptotic standard error of a true-score equating by item response theory (IRT). The equating method is applicable when the two tests to be equated are administered to different groups along with an "anchor test." Numerical standard errors are shown for an actual equating 1) comparing the standard errors of IRT, linear, and equipercentile methods; 2) illustrating the effect of the length of the anchor test on the standard error of the equating. (Author/BW)
- Notes:
-
- Sponsoring Agency: Office of Naval Research, Arlington, VA. Personnel and Training Research Programs Office.
- Contract Number: N00014-80-C-0402.
- 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:
- 1981
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