Table 4.

Goodness of fit of alternative BAT models.

Model	χ2	P	df	CFI	TLI	SRMR	RMSEA [90%CI]
M1. Unidimensional model	6465.46	0.000	860	0.72	0.71	0.07	0.09 [0.09–0.10]
M2. Correlated four-factor model	3624.17	0.000	494	0.76	0.75	0.07	0.09 [0.09–0.10]
M3. Correlated six-factor model	1292.88	0.000	480	0.93	0.93	0.04	0.05 [0.04–0.05]
M4. Second-order model (6 first-order; 2 s-order)	1386.37	0.000	488	0.93	0.93	0.04	0.05 [0.04–0.05]
	Δχ2		Δdf		p
M2 vs. M1	2841.29		366		<0.0001
M3 vs. M1 M3 vs. M2	5172.58 2331.29		380 14		<0.0001 <0.0001
M4 vs. M1 M4 vs. M2 M4 vs. M3	5079.09 2331.29 93.49		372 6 8		<0.0001 <0.0001 <0.0001

Note. CFI = Comparative Fit Index; TLI = Tucker-Lewis index; SRMR = Standardized Root Mean Square Residual; RMSEA = Root Mean Square Error of Approximation.