Table 2.

Discriminative validity test.

Model	χ2	df	χ2/df	RMSEA	SRMR	CFI	NFI
Six factor model	426.06	215	1.982	0.066	0.060	0.96	0.92
Five factor model 1	1005.17	220	4.569	0.125	0.100	0.88	0.85
Five factor model 2	792.93	220	3.604	0.107	0.130	0.90	0.87
Five factor model 3	759.62	220	3.453	0.104	0.096	0.91	0.87
Four factor model	1317.73	224	5.883	0.146	0.120	0.83	0.80
Three factor model	1648.24	227	7.261	0.166	0.140	0.77	0.75
Two factor model	2246.92	229	9.812	0.197	0.150	0.71	0.69
Single factor model	2417.08	230	10.509	0.204	0.150	0.68	0.65