Effects of Dexterity Level and Hand Anthropometric Dimensions on Smartphone Users’ Satisfaction

Table 4

Model comparisons.

Main models	Model 1		Model 2		Model 3		Model 4
Model versions	A ()	B	A ()	B	A (+)	B	A (+)	B
Chi-square	8.937	0.5	8.937	0.172	41.578	5.716	41.578	2.903
Degrees of freedom	3	2	3	2	3	2	3	2
Probability level	0.03	0.779	0.3	0.918	0	0.057	0	0.234
RMSEA	0.238	0	0.238	0	0.606	0.230	0.606	0.114
AIC	22.937	26.5	22.937	26.172	55.578	31.716	55.578	28.903

A: without mediator and correlations of errors.
B: default model (with mediator and correlations of errors).
() Without mediator, the first cases of Model 1 and Model 2 are the same models. (+) Without mediator, the first cases of Model 3 and Model 4 are the same models.