Table 1.

Fit Indices for the 5 Different Factor Models of the SPQ-C (N = 447)

Model	χ 2 (df)	CFI	TLI	RMSEA (90% CI)	P	WRMR	AIC (χ 2 − 2df)
1. Single factor	445.682 (209)	.915	.906	.050 (.044–.057)	.457	1.231	27.682
2. Two factors   Positive vs Negative	432.866 (208)	.919	.910	.049 (.043–.056)	.573	1.211	16.866
3. Original 3 factorsa  Cog, Int, and Dis	348.109 (206)	.949	.943	.039 (.032–.046)	.995	1.066	−63.891
4. Modified 3 factorsb  Cog, Int, and Dis	314.782 (202)	.959	.953	.035 (.028–.043)	1.00	0.998	−89.218
5. Bifactorc  Cog, Int, Dis,General	230.593 (187)	.984	.981	.023 (.010–.032)	1.00	0.809	−143.407

Note: P < .01 for all χ ² statistic. CFI, comparative fit index; RMSEA, root mean squared error of approximation; TLI, Tucker-Lewis index.

^aOriginal 3-factor model of Raine & Benishay.⁵

^bModified 3-factor model of Raine et al.⁶

^cBifactor model from Fonseca-Pedrero et al.⁴