Investigation of Model Fit and Score Scale Comparability in International Assessments PISA IRT GDM 2PL

Author(s):

Oliveri, Maria Elena; von Davier, Matthias

Publication Year:

2011

Source:

Psychological Test and Assessment Modeling, v53 n3 p315-333, 2011

Document Type:

Article

Page Count:

19

Subject/Key Words:

International Assessment, Large-Scale Assessment, Programme for International Student Assessment (PISA), Item Response Theory (IRT), General Diagnostic Model (GDM), 2-Parameter Logistic (2PL) Model