Table 4.

Adaptation degree index of structural equation modeling

Evaluation metrics	χ 2 degree of freedom ratio	Value-added fitness index	The adaptation index	Compare adaptation index	Good eligibility adaptation index	Relative adaptation index	Adjusted adaptation degree index	The square root of the approximation error
Evaluation standard	< 3.000	> 0.900	> 0.900	> 0.900	> 0.900	> 0.900	> 0.900	< 0.080
Simulation results	1.527	0.938	0.964	0.927	0.918	0.906	0.914	0.032