Table 4.

CVC Rates.

		DINA			DINO			A-CDM
Item quality	J	PWKL	MPWKL	GDI	PWKL	MPWKL	GDI	PWKL	MPWKL	GDI
HD-LV	10	0.752	0.878	0.887	0.749	0.855	0.849	0.839	0.817	0.826
	20	0.989	0.996	0.996	0.986	0.995	0.996	0.992	0.992	0.991
	40	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
HD-HV	10	0.854	0.979	0.981	0.870	0.979	0.981	0.963	0.967	0.962
	20	0.999	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
	40	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
LD-LV	10	0.454	0.589	0.604	0.441	0.551	0.557	0.515	0.524	0.511
	20	0.814	0.892	0.890	0.803	0.872	0.871	0.855	0.857	0.859
	40	0.987	0.995	0.995	0.984	0.993	0.992	0.987	0.990	0.990
LD-HV	10	0.569	0.723	0.719	0.596	0.703	0.704	0.658	0.666	0.660
	20	0.917	0.962	0.962	0.924	0.969	0.966	0.948	0.953	0.951
	40	0.999	1.000	0.999	1.000	1.000	1.000	0.998	0.999	0.999

Note. CVC = correct attribute vector classification; DINA = deterministic inputs, noisy “and” gate; DINO = deterministic input, noisy “or” gate; A-CDM = additive CDM; CDM = cognitive diagnosis model; PWKL = posterior-weighted Kullback–Leibler index; MPWKL = modified posterior-weighted Kullback–Leibler index; GDI = G-DINA model discrimination index; G-DINA = generalized DINA; HD-LV = high discrimination–low variance; HD-HV = high discrimination–high variance; LD-LV = low discrimination–low variance; LD-HV = low discrimination–high variance.