Table 1.

G-study estimates of variance components^a.

Scale/subscale	P	I	O	PxI	PxO	IxO	PxIxO	G-r	G-a	SCI
3-Factor Model
PANSS Total (PT)	0.02	<0.001	0.01	<0.00	0.004	<0.00	<0.00	0.85	0.56	0.17
PT Variance %	56.0	0.0	34.0	0.0	10.0	0.0	0.0	–	–	–
Positive Symptoms (PS)	0.06	0.001	0.01	0.004	0.004	0.002	0.009	0.77	0.64	0.06
PS Variance %	64.0	1.4	12.5	4.6	4.5	2.3	10.6	–	–	–
Negative Symptoms (NS)	0.06	0.001	0.01	0.004	0.004	0.002	0.01	0.77	0.68	0.05
NS Variance %	68.0	0.7	8.9	4.5	3.8	2.3	11.7	–	–	–
General Symptoms (GS)	0.03	<0.001	0.01	0.003	0.004	0.001	0.003	0.77	0.56	0.12
GS Variance %	56.0	0.8	25.0	4.7	7.5	1.1	4.8	–	–	–
General (excluding 15) (G15)	0.035	<0.001	0.014	0.003	0.004	0.001	0.003	0.78	0.58	0.10
G15 Variance %	58.0	0.0	33.5	0.3	9.8	0.0	0.3	–	–	–
5-Factor Model
Positive Symptoms (PS)	0.04	0.007	0.007	0.003	0.004	0.003	0.01	0.66	0.56	0.09
PS Variance %	56.0	2.5	8.4	5.5	5.8	4.3	17.6	–	–	–
Negative Symptoms (NS)	0.03	<0.00	0.01	0.008	0.004	0.002	0.01	0.56	0.44	0.12
NS Variance %	44.0	0.8	16.2	12.3	6.2	4.0	16.5	–	–	–
Cognitive/Disorganisation (CD)	0.01	<0.00	0.01	0.008	0.004	0.002	0.01	0.33	0.24	0.12
CD Variance %	24.0	0.0	19.4	18.1	8.7	3.9	21.9	–	–	–
Depression/Anxiety (DA)	0.07	0.003	0.009	<0.00	0.07	0.004	0.02	0.68	0.58	0.08
DA Variance %	58.0	2.9	7.9	8.5	5.2	3.6	13.9	–	–	–
Hostility (H)	0.03	0.002	0.03	0.02	0.003	0.002	0.01	0.40	0.27	0.09
H Variance %	27.0	1.7	28.6	22.3	3.1	2.3	15.0	–	–	–

^aDifferentiation variance component of person (P); Absolute error variance of item (I), occasion (O), interaction between person and item (PxI), person and occasion (PxO), item and occasion (IxO) and person, item and occasion (PxIxO); Relative G-coefficient (Gr); Absolute G-coefficient (Ga); and State Component Index (SCI).