Table 4.

Sobel test results (model 1).

		z	SE	p
a1	0.677	4.24266762	0.06813614	0
Sa1	0.061
b1	0.427
Sb1	0.093
a2	0.319	4.21188639	0.0183286	0
Sa2	0.062
b2	0.242
Sb2	0.033

a₁, regression coefficient of cognitive ability and personality characteristics; s_a1, corresponding SE; b₁, regression coefficient of personality characteristics and comprehensive academic performance; s_b1, corresponding SE; a₂, regression coefficient of cognitive ability and psychology health; s_a2, corresponding SE; b₂, regression coefficient of mental psychology and Comprehensive academic performance; and s_b2, corresponding SE.