Table 2.

Path Analyses Model Fit Comparisons and the Relationship Between Executive Function to Willingness to Wait and Willingness to Work for Reward by Reward Conditions

Willingness to Wait SEM Model Comparison		χ2 Difference	χ2 df Difference	p-value
Model A	Model B	10.31	5	.07
Model A	Model C	5.32	1	.02*
Model C	Model D	23.16	10	.01*
	Neutral N-Back Accuracy		Negative N-Back Accuracy
Delay Condition	β	p-value	β	p-value
2 weeks	−0.11	.25	0.28	.003**
1 month	−0.16	.084	0.35	>.001**
6 months	−0.27	.004*	0.45	>.001**
1 year	−0.18	.058	0.27	.006**
3 years	−0.18	.068	0.27	.005**
10 years	−0.21	.032*	0.18	.064
Willingness to Work SEM Model Comparison		χ2 Difference	χ2 df Difference	p-value
Model A	Model B	21.03	2	<.0001**
Model A	Model C	0.33	1	.57
Model B	Model D	1.13	3	.77
	N-Back Accuracy (General)
Probability Condition	β	p-value
12%	−0.07	.33
50%	0.40	>.001
88%	0.29	.003

^**Significant p-values .005-.001,

^*Significant p-values .01-.006;

DDT = Delay Discounting Task, EEfRT = Effort Expenditure for Reward Task