Basic Concepts in Generalizability Theory [electronic resource] : A More Powerful Approach to Evaluating Reliability / Gilbert Naizer.
A measurement approach called generalizability theory (G-theory) is an important alternative to the more familiar classical measurement theory that yields less useful coefficients such as alpha or the KR-20 coefficient. G-theory is a theory about the dependability of behavioral measurements that all...
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Full Text (via ERIC) |
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| Format: | Electronic eBook |
| Language: | English |
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[Place of publication not identified] :
Distributed by ERIC Clearinghouse,
1992.
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| Subjects: |
MARC
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| 100 | 1 | |a Naizer, Gilbert. | |
| 245 | 1 | 0 | |a Basic Concepts in Generalizability Theory |h [electronic resource] : |b A More Powerful Approach to Evaluating Reliability / |c Gilbert Naizer. |
| 260 | |a [Place of publication not identified] : |b Distributed by ERIC Clearinghouse, |c 1992. | ||
| 300 | |a 19 pages | ||
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| 500 | |a ERIC Note: Paper presented at the Annual Meeting of the Southwest Educational Research Association (Houston, TX, January-February 1992). |5 ericd. | ||
| 520 | |a A measurement approach called generalizability theory (G-theory) is an important alternative to the more familiar classical measurement theory that yields less useful coefficients such as alpha or the KR-20 coefficient. G-theory is a theory about the dependability of behavioral measurements that allows the simultaneous estimation of multiple sources of error variance. If error influences interact, as they often will, the G-theory estimates may be markedly different from classical theory estimates. G-theory also distinguishes between relative and absolute decisions. Finally G-theory provides a mechanism for using estimated error variances for alternative designs (D-studies) to help researchers develop a measurement that minimizes error for a future study, but that is also efficient. Some of the major advantages of G-theory are explained and illustrated with a hypothetical study of 20 individuals given a performance task on 3 occasions and assessed by 2 raters. Three tables present data from the example. A five-item list of references is included. (Author/SLD) | ||
| 650 | 1 | 7 | |a Error of Measurement. |2 ericd |
| 650 | 1 | 7 | |a Estimation (Mathematics) |2 ericd |
| 650 | 1 | 7 | |a Generalizability Theory. |2 ericd |
| 650 | 0 | 7 | |a Higher Education. |2 ericd |
| 650 | 0 | 7 | |a Interrater Reliability. |2 ericd |
| 650 | 0 | 7 | |a Measurement Techniques. |2 ericd |
| 650 | 1 | 7 | |a Research Design. |2 ericd |
| 650 | 0 | 7 | |a Research Methodology. |2 ericd |
| 650 | 0 | 7 | |a Test Interpretation. |2 ericd |
| 650 | 1 | 7 | |a Test Reliability. |2 ericd |
| 650 | 0 | 7 | |a Test Theory. |2 ericd |
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