Table 5.

Goodness of fit indexes for CFA model (n = 526)

Models	χ2	df	χ2/df	CFI	TLI	RMSEA
Unidimensional model (Original)	79.370	54	1.470	0.985	0.978	0.030
Unidimensional model with correlated errors (Hankins)	57.154	39	1.465	0.989	0.979	0.030
Two-dimensional model (Andrich and Van Schoubroeck)	79.104	53	1.493	0.985	0.977	0.031
Two-dimensional model (Schmitz et al.)	65.515	43	1.523	0.985	0.976	0.032
Two-dimensional model (Politi et al.)	71.938	43	1.673	0.980	0.975	0.036
Three-dimensional model (Graetz)	76.732	51	1.505	0.985	0.977	0.031
Three-dimensional model (Farrell)	63.993	41	1.561	0.985	0.976	0.033
Three-dimensional model (Daradkeh et al.)	79.007	51	1.549	0.983	0.975	0.032
Three-dimensional model (Martin)	60.887	41	1.485	0.987	0.977	0.031
Three-dimensional model (EFA)	76.112	51	1.492	0.985	0.977	0.031