Table 3.

Measurement Invariance of YPQ Across Age Groups

Model	S-Bχ2	df	CFI	TLI	RMSEA (90% CI)	SRMR	Model Comparison	ΔCFI	ΔTLI
Model 1	64947.82	429	0.934	0.921	0.067[0.066, 0.067]	0.051
Model 2	68383.35	459	0.931	0.922	0.068[0.067, 0.068]	0.053	2vs.1	−0.003	0.001
Model 3	69394.20	489	0.930	0.926	0.067[0.066, 0.067]	0.056	3vs.2	−0.001	0.004
Model 4	73350.69	527	0.922	0.919	0.069[0.069, 0.070]	0.059	4vs.3	−0.006	−0.007

Note: Model 1= Configural Invariance; Model 2= Metric Invariance; Model 3=Scalar Invariance; Model 4= Error Variance Invariance.