Linking Error Estimation in Fixed Item Parameter Calibration: Theory and Application in Large-Scale Assessment Studies

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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Bibliographic Details
Main Author: Alexander Robitzsch
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Foundations
Subjects:
fixed item parameter calibration
linking error
differential item functioning
item response model
resampling
Online Access:https://www.mdpi.com/2673-9321/5/1/4
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