A Unified Approach to IRT Scale Linking and Scale Transformations

Author(s):

von Davier, Matthias; von Davier, Alina A.

Publication Year:

2007

Source:

Methodology: European Journal of Research Methods for the Behavioral and Social Sciences, v3 n3 p115-124, 2007

Document Type:

Article

Page Count:

10

Subject/Key Words:

Item Response Theory (IRT), Test Linking, Non-Equivalent-Groups Anchor Test (NEAT) Design, Item Response Models, One-Parameter Logistic (1PL) Model, 2-Parameter Logistic (2PL) Model, 3-parameter logistic (3PL)