. Author manuscript; available in PMC: 2015 Dec 21.

Published in final edited form as: Dev Psychol. 2014 Nov;50(11):2549–2557. doi: 10.1037/a0038037

Table 2.

Twin Correlations for Mean No-Go Errors During Waves 1–4

Wave and participants	Males		Females		Opposite sex
Wave and participants	MZ	DZ	MZ	DZ	DZ
Wave 1 (N = 560)
Correlation	.22^*	.19	.30^**	.23^*	.11
n	125	79	137	85	134
Wave 2 (N = 179)
Correlation	.36^*	.01	.53^**	.20	.06
n	45	24	44	28	38
Wave 3 (N = 426)
Correlation	.21	.01	.30^**	.08	.07
n	86	68	94	77	101
Wave 4 (N = 226)
Correlation	.38^**	.13	.25	.23	.06
n	46	56	38	36	50

Note. Ns represent twin pairs. MZ = monozygotic twins; DZ = dizygotic twins.

p < .05.

^**

p < .01.