Table 7.

Comparison of Statistical Indices for the Proposed Multiple Group Models

	Model 1*	Model 2**	Model 3	Model 4***
Change	Linear	Linear	Quadratic	Quadratic
Covariates	Equal	Class specific	Equal	Class specific
AIC	10972	10971	10844	NA
BIC	11114	11227	11050	NA
Sample Adj. BIC	11015	11049	10907	NA
Entropy	.871	.920	.908
Number for each class	C1= 277	C1=295	C1=292
	C2=74	C2=56	C2=59
	C3=236	C3=113	C3=235
	C4=134	C4=257	C4=135

Note.

^*Intercept and slope variance fixed at 0;

^**Slope variance fixed at 0;

^***Eliminated, latent variable covariance matrix (psi) not positive definite due to high correlations between the slope and quadratic coefficient.