Table 2.

Nested model comparisons of the five good-fit models

Model	CFIdiff	RMSEAdiff	χ2diff	dfdiff	P
(“I+U+S”) vs (“U/I+S”)	0.03	0.01	33.24	2	6.07e-8
(“C+U+S”) vs (“C+S”)	0.03	0.02	43.29	3	2.14e-9
(“C+I+S”) vs (“C+S”)	0.02	0.01	29.46	3	1.79e-6

One-sided test.