Table 3.

Behavioral genetic modeling of behavioral aggression (noise blast negative–neutral) at W1, W2, and change across time (residualized change scores)

		MZ	DZ	A	C	E
Noise blast W1†	r	0.19*	0.25*	0.10	0.08	0.82
	n	138	115	[0.00 to 0.40]	[0.00 to 0.32]	[0.60 to 0.98]
Noise blast W2	r	0.22*	−0.04	0.22	0.17	0.62
	n	123	104	[0.11 to 0.56]	[0.07 to 0.46]	[0.39 to 1.00]
Noise blast change	R	0.22*	−0.06	0.16	0.00	0.84
	N	121	102	[0.00 to 0.33]	[ 0.00 to 0.19]	[0.67 to 1.00]

Numbers in brackets are 95% CIs. *P < 0.05.

^†See also Achterberg et al. (ref. 20).