Table 1.

Intercorrelations of and descriptive statistics for the assessed variables at measurement points t₁ and t₂.

	1.	2.	3.	4.	5.	6.	7.	8.	9.
1. Interoceptive Accuracy t1
2. IGT t1	−0.01
3. DoG sweets t1	0.05	0.04
4. DoG toys t1	0.04	0.01	0.39**
5. Interoceptive accuracy t2	0.32**	0.04	0.01	−0.01
6. IGT t2	0.00	0.27**	0.00	0.03	0.05
7. DoG sweets t2	0.02	0.01	0.22**	0.17**	0.04	0.02
8. DoG toys t2	0.03	0.03	0.24**	0.28**	0.01	0.06**	0.31**
9. Age t1	−0.02	0.07**	0.09**	0.06*	0.05*	0.07**	0.03	0.00
Mean	0.55	32.91	1.42	1.38	0.56	34.41	1.68	1.60	8.37
SD	0.26	6.22	0.71	0.76	0.24	6.92	0.57	0.64	0.94
Min-Max (sample)	0–0.98	13–58	0–2	0–2	0–1	12–60	0–2	0–2	6.23–11.33
Min-Max (theoretical)	0–1	0–60	0–2	0–2	0–1	0–60	0–2	0–2

IGT, Child version of the Iowa Gambling Task; DoG, delay of gratification; period between t1 and t2 = approx. 1 year. N = 1,285–1,454.

^*p ≤ 0.05;

^**p ≤ 0.01.