Table 1.

Bivariate Correlations and Descriptive Statistics

Variable	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
Wave 1
1. Gender	-
2. Age	.05	-
3. BAS	−.17^	.01	-
4. BIS	.02	.04	.02	-
5. OP	−.14^	.09	.22	−.0002	-
6. CP	−.28	.05	.26	.04	.61	-
Wave 2
7. BAS	−.15^	.001	.79	−.0002	.20	.19	-
8. BIS	.10	.04	−.04	.81	−.02	.01	.01	-
9. OP	−.08	.03	.23	−.04	.57	.45	.19	−.06	-
10. CP	−.24	.02	.26	−.01	.50	.65	.19	−.02	.66	-
Wave 3
11. BAS	−.10*	.03	.76	−.02	.18	.21	.77	−.02	.22	.24	-
12. BIS	.13^	.07	.03	.74	.05	.04	−.0002	.79	−.02	.0003	.07	-
13. OP	.02	.09	.21	−.001	.52	.38	.18	−.01	.70	.56	.24	.04	-
14. CP	−.15	.06	.25	.02	.38	.49	.17	.01	.55	.69	.25	.05	.69	-
Waves 1–3
15. Anx	.02	.05	−.005	.12*	.36	.36	−.02	.16^	.44	.40	−.005	.16^	.44	.33	-
16. Dep	−.12*	.02	.16^	.08	.45	.51	.16^	.13*	.47	.56	.15^	.12*	.51	.52	.67	-
Mean	0.55	11.61	3.15	2.71	0.46	0.12	3.10	2.67	0.49	0.15	3.06	2.61	0.52	0.16	0.34	0.21
SD	0.50	0.55	0.46	0.53	0.34	0.15	0.44	0.54	0.37	0.16	0.48	0.50	0.41	0.18	0.27	0.20
Skew	−0.20	0.13	−0.01	0.37	0.55	1.59	0.11	0.48	0.51	1.29	0.06	0.53	0.54	1.31	0.88	1.47
Kurtosis	−1.97	−.092	0.36	−0.09	−0.15	2.40	0.13	0.53	−0.22	1.24	0.06	0.40	−0.30	1.33	0.44	2.17

Note. Winsorized CP are reported. BAS = Behavioral activation system, BIS = Behavioral inhibition system, OP = Oppositional problems, CP = Conduct problems, Anx = Anxiety problems, Dep = Depressive problems.

^*= p < .05,

^{^}= p < .01, Bolded = p <.001.