Table 1.

Descriptive statistics and correlations of study variables (N = 238)

Variables	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
1. T1 family SES	—
2. T1 child IQ	.17*	—
3. T1 Effortful Control Behavioral Batterya	.16*	.33***	—
4. T1 inhibitory control moma	.15*	.27***	.33***	—
5. T1 inhibitory control dada	−.05	.11	.28**	.44***	—
6. T1 attentional focusing moma	.15*	.17*	.26***	.42***	.19*	—
7. T1 attentional focusing dada	.09	.11	.20*	.24**	.42***	.46***	—
8. T1 false belief predictionb	−.01	.13†	.23**	.08	−.02	−.04	−.06	—
9. T1 false belief explanationb	.10	.34***	.31***	.37***	.30***	.07	.06	.34***	—
10. T1 maternal nurturancec	.05	.23**	.13†	.28***	−.08	.24***	−.08	.10	.11	—
11. T1 maternal responsivenessc	.03	.08	.04	.19**	−.04	.29***	−.03	.06	.04	.47***	—
12. T1 parental harsh discipline	−.19**	−.07	−.20**	−.32***	−.18*	−.16*	−.04	−.16*	−.19**	−.18**	−.21**	—
13. T1 child EXT	−.12†	−.06	−.15*	−.43***	−.29***	−.33***	−.12	−.02	−.10	−.14*	−.22**	.28***	—
14. T2 child EXT	−.03	−.02	−.09	−.35***	−.27**	−.24***	−.12	−.11†	−.16*	−.13†	−.15*	.24***	.46***	—
15. T3 child EXT	−.04	−.05	−.05	−.34***	−.22*	−.21**	−.15†	−.09	−.09	−.06	−.01	.21**	.44***	.59***	—
M	54.44	−0.01	0.00	4.59	4.47	4.68	4.51	0.63	0.96	5.37	5.49	6.32	0.36	0.27	0.24
SD	10.83	0.79	0.55	0.72	0.73	0.85	0.76	1.15	1.46	0.56	0.52	6.87	0.28	0.25	0.26

Note: SES, Socioeconomic status; T1, Time 1 age 3; EXT, externalizing behavior; T2, Time 2 age 5; T3, Time 3 age 10.

^aThe Effortful Control Behavioral Battery, inhibitory control, and attentional focusing were averaged into child effortful control.

^bFalse belief prediction and explanation were summed into child theory of mind.

^cMaternal nurturance and responsiveness were averaged into maternal warmth.

^†p < .10.

^*p < .05.

^**p < .01.

^***p < .001.