TABLE 5.

Goodness-of-fit indices for invariance of the trimmed model across age.

	χ2	S-Bχ2	df	TLI	R-CFI	R-RMSEA	SRMR	ΔR-CFI
9–11 years	52629.06	42181.28	1182	0.910	0.917	0.030 [0.029, 0.030]	0.040
12–14 years	49769.53	40101.60	1182	0.900	0.904	0.035 [0.035, 0.035]	0.046
Model 0	102398.60	82288.41	2364	0.904	0.911	0.022 [0.022, 0.023]	0.044
Model 1	103865.77	83586.59	2412	0.905	0.910	0.022 [0.022, 0.023]	0.051	−0.001
Model 2	104034.29	83732.25	2415	0.905	0.910	0.022 [0.022, 0.023]	0.051	0.000
Model 3	120179.21	97916.29	2466	0.900	0.902	0.024 [0.024, 0.024]	0.053	−0.008
Model 4	128118.79	1009211.70	2523	0.904	0.910	0.025 [0.025, 0.025]	0.053	0.008
Model 5	121071.88	98409.56	2502	0.900	0.902	0.024 [0.024, 0.024]	0.051	0.000

Model 0 = free model; Model 1 = Model 0 with factor loadings of first-order; Model 2 = Model 1 with factor loadings of second order; Model 3 = Model 2 with intercepts; Model 4 = Model 3 with error variances and covariances; Model 5 = Model 3 with factor covariances; S-Bχ² = Satorra-Bentler χ² scaled; df = degrees of freedom; TLI = the Tucker-Lewis Index; R-CFI = robust comparative fit index; R-RMSEA = robust root mean square error of approximation; SRMR = standardized root mean square residual; ΔR-CFI = robust comparative fit index difference test.