Table 3.

Model Fit Statistics Under Four Estimators: Maximum Likelihood (ML), Asymptotic Distribution Free (ADF), Iteratively Reweighted Least Squares (IRLS) d_s, and IRLS d_r

Model	χ2	df	${\chi }_{\mathit{\text{baseline}}}^2$	dfbaseline	TLI	RMSEA	SRMR	BIC	W-BIC
ML
1-Factor	9041	32	265659	45	.952	.078	.038	989686
2-Factors	5330	31	265659	45	.971	.061	.028	985986
Bifactor	3273	26	265659	45	.979	.052	.021	983981
ADF
1-Factor	5591	32	46850	45	.833	.061	.072	999890
2-Factors	4385	31	46850	45	.865	.055	.050	990522
Bifactor	2272	26	46850	45	.917	.043	.021	984677
IRLS ds
1-Factor	7120	32	49599	45	.799	.070	.039	1010039	849889
2-Factors	5352	31	50145	45	.846	.062	.035	999038	844502
Bifactor	3175	26	50529	45	.892	.052	.027	992076	839870

Note. W-LogL is the weighted log-likelihood, W-BIC is the weighted Bayesian information criterion, d_s is “implausibility” distance.

^*Indicates lowest value of BIC or W-BIC.