Investigating Item Stability [electronic resource] : An Empirical Investigation into the Variability of Item Statistics Under Conditions of Varying Sample Design and Sample Size. Occasional Paper No. 18 / Stephen J. Farish.
The stability of Rasch test item difficulty parameters was investigated under varying conditions. Data were taken from a mathematics achievement test administered to over 2,000 Australian students. The experiments included: (1) relative stability of the Rasch, traditional, and z-item difficulty para...
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| Format: | Electronic eBook |
| Language: | English |
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[S.l.] :
Distributed by ERIC Clearinghouse,
1984.
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Internet
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ED262046
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| ED262046 | Available |