Comparison of IRT Observed-Score and True-Score 'Equatings.' [electronic resource] / Frederic M. Lord and Marilyn S. Wingersky.
Two methods of 'equating' tests using item response theory (IRT) are compared, one using true scores, the other using the estimated distribution of observed scores. On the data studied, they yield almost indistinguishable results. This is a reassuring result for users of IRT equating metho...
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| Format: | Electronic eBook |
| Language: | English |
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Distributed by ERIC Clearinghouse,
1983.
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Internet
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ED236207
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| ED236207 | Available |