Test-level and Item-level Model Fit Comparison of General vs. Specific Diagnostic Classification Models: A Case of True DCM

Language Testing in Asia

Table 6 Agreement of skill classification of the G-DINA and the constrained models

Attribute	G-DINA vs. LLM	G-DINA vs. ACDM	G-DINA vs. RRUM	G-DINA vs. DINA	G-DINA vs. DINO
Lexical skill	0.99	0.93	0.91	0.88	0.85
Morphosyntactic skill	0.98	0.89	0.87	0.75	0.75
Cohesive skill	0.96	0.93	0.91	0.80	0.87
Contextual meaning	0.94	0.90	0.89	0.88	0.72