Table 2.

Fit indexes for models tested in CFA (Study 1).

	χ2	df	SRMR	RMSEA	RMSEA 90%-C.I.	CFI	TLI	AIC	BIC
Model 1 a	241.388 *	129	0.05	0.064	0.051–0.076	0.93	0.92	325.388	466.759
Model 2 b	349.059 *	132	0.05	0.096	0.086–0.108	0.84	0.81	472.059	603.332
Model 3 c	404.847 *	135	0.06	0.10	0.089–0.112	0.83	0.80	476.847	698.023

Note. ^a Model 1: one second-order factor and three first-order factors. ^b Model 2: three first-order factors with covariances among them. ^c Model 3: all the items were predicted by a single factor. *: p < 0.001.