Linking of Rasch-Scaled Tests: Consequences of Limited Item Pools and Model Misfit

In the context of item response theory (IRT), linking the scales of two measurement points is a prerequisite to examine a change in competence over time. In educational large-scale assessments, non-identical test forms sharing a number of anchor-items are frequently scaled and linked using two− or t...

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Bibliographic Details
Main Authors: Luise Fischer, Theresa Rohm, Claus H. Carstensen, Timo Gnambs
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-07-01
Series:Frontiers in Psychology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpsyg.2021.633896/full