Table 2.

Confirmatory factor analysis (CFA) model comparison results.

Model	LLa	χ2	Kb	dfc	SRMRd	RMSEAe	CFIf	TLIg	ΔAICh	ΔBICi
Correlated factors	–37047	807	73	278	.034	.048	.967	.962	0	0
Bifactor	–37196	1070	78	273	.046	.059	.951	.942	306	331
Second Order	–37285	1209	59	292	.049	.062	.943	.936	448	380

^aLL: log-likelihood.

^bK: number of parameters.

^cdf: degrees of freedom.

^dSRMR: standardized root mean square residual.

^eRMSEA: root mean square error of approximation.

^fCFI: comparative fit index.

^gTLI: Tucker-Lewis index.

^hΔAIC: difference in the Akaike information criteria between the model and the best-fitting model.

ⁱΔBIC: difference in the Bayesian information criteria between the model and the best-fitting model.