Bias-Corrected Fixed Item Parameter Calibration, with an Application to PISA Data
Fixed item parameter calibration (FIPC) is commonly used to compare groups or countries using an item response theory model with a common set of fixed item parameters. However, FIPC has been shown to produce biased estimates of group means and standard deviations in the presence of random differenti...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-04-01
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| Series: | Stats |
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| Online Access: | https://www.mdpi.com/2571-905X/8/2/29 |
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