Linking Error Estimation in Fixed Item Parameter Calibration: Theory and Application in Large-Scale Assessment Studies
In fixed item parameter calibration (FIPC), an item response theory (IRT) model is estimated with item parameters fixed at reference values to estimate the distribution parameters within a specific group. The presence of random differential item functioning (DIF) within this group introduces additio...
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| Format: | Article |
| Language: | English |
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MDPI AG
2025-02-01
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| Series: | Foundations |
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| Online Access: | https://www.mdpi.com/2673-9321/5/1/4 |
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