A Unified Approach to IRT Scale Linking and Scale Transformations. Research Report. RR-04-09 [electronic resource] / Matthias von Davier and Alina A. von Davier.

This paper examines item response theory (IRT) scale transformations and IRT scale linking methods used in the Non-Equivalent Groups with Anchor Test (NEAT) design to equate two tests, X and Y. It proposes a unifying approach to the commonly used IRT linking methods: mean-mean, mean-var linking, con...

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	Davier, Matthias von
Corporate Author:	Educational Testing Service
Other Authors:	Davier, Alina A. von
Format:	Electronic eBook
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2004.
Subjects:	Measures (Individuals) Item Response Theory. Item Analysis. Models. Psychometrics. Data Collection. Test Items. Testing.