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

Empirical Research in Vocational Education and Training

Table 4 Absolute model fit indices

Model	# Par	N	max \(\chi\) ²	p max \(\chi\) ²	MADcor (SE)	SRMSR (SE)	MADQ3 (SE)	MADaQ3 (SE)
NC-RUM34	324	773	68.240	0.001	0.018 (0.003)	0.030 (0.004)	0.022 (0.004)	0.023 (0.004)
NC-RUM30	288	773	46.503	0.001	0.029 (0.003)	0.046 (0.004)	0.039 (0.005)	0.040 (0.005)

NC-RUM30/34 Non-compensatory reparameterized unified model with 30/34 tasks. χ² Chi-square, p significance, MADcor Average absolute deviation between observed correlations and model predicted correlations, SRMR Standardized root mean square root of squared residuals, MADQ3 Mean of absolute values of Q3 statistic (Yen 1984), MADaQ3 Mean of absolute values of centered Q3 statistic, SE Standard errors