Empirical Research in Vocational Education and Training

Table 6 Item-level fit measures

From: Cognitive diagnosis models of students’ skill profiles as a basis for adaptive teaching: an example from introductory accounting classes

	Min	Max	Mean	SD
NC-RUM34
RMSEA	0.031	0.106	0.065	0.017
IDI	0.045	1.000	0.709	0.260
NC-RUM30
RMSEA	0.019	0.107	0.065	0.022
IDI	0.038	1.000	0.737	0.237

NC-RUM30/34 Non-compensatory reparameterized unified model with 30/34 tasks. RMSEA Root mean square error of approximation, IDI Item discrimination index, SD Standard deviation

Back to article page