Reliability of Performance Assessments [microform] : Let's Make Sure We Account for the Errors / Michael S. Trevisan
- Bib ID:
- 5533127
- Format:
- Book and Microform
- Author:
- Trevisan, Michael S
- Online Version:
- https://eric.ed.gov/?id=ED334245
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- Description:
-
- [Washington, D.C.] : Distributed by ERIC Clearinghouse, 1991
- 35 p.
- Summary:
-
Some of the issues regarding the estimation of reliability for performance assessments are explored, and a methodology is suggested for determination of reliability. In performance assessment, the magnitude of the reliability coefficient may be less than that obtained for a standardized test, since part of the potential use of performance assessment is to obtain outcome data for targets difficult to assess with standardized tests. A further problem is the lack of training of many assessment specialists with regard to performance assessment. In addition, reliability may refer to more than internal consistency. There is a growing consensus that the intraclass correlation coefficient (ICC) provides the best means for establishing reliability for quantitative observation data. Three basic ICC models are discussed: (1) one-way analysis of variance; (2) two-way random effects; and (3) a two-way mixed model. The use of ICC methods is discussed, and computer softwares for ICC analyses are described. Four tables illustrate the discussion, and a 26-item list of references is included. (SLD)
- Notes:
-
- ERIC Note: Paper presented at the Annual Meeting of the National Council on Measurement in Education and the National Association of Test Directors (Chicago, IL, April 4-6, 1991).
- 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:
- 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:
- 1991
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