Table 6. Estimate of mediating effects of cognitive and non-cognitive ability from monte carlo approach.

2016
Variable	Obs	Mean	Std. Dev.	Min	Max	95% Confidence Interval
The Indirect Effect via Cognitive Ability	50000	0.007	0.002	0.001	0.019	(0.003, 0.011)
The Indirect Effect via Non-cognitive Ability	50000	0.003	0.001	0.000	0.007	(0. 001, 0.005)
The Total Indirect Effects	50000	0.010	0.003	0.001	0.022	(0.005, 0.015)
Ratio of Total Indirect Effects to Direct Effects: 0.336 Proportion of Total Effect That Is Mediated: 0.252
2014
Variable	Obs	Mean	Std. Dev.	Min	Max	95% Confidence Interval
The Indirect Effect via Cognitive Ability	50000	0.001	0.000	0.000	0.004	(0.000, .002)
The Indirect Effect via Non-cognitive Ability	50000	0.002	0.001	0.000	0.004	(0.001, 0.003)
The Total Indirect Effects	50000	0.003	0.001	0.001	0.007	(0.002, 0.005)
Ratio of Total Indirect Effects to Direct Effects: 0.229 Proportion of Total Effect That Is Mediated: 0.186