Examining impulsivity as an endophenotype using a behavioral approach: a DRD2 TaqI A and DRD4 48-bp VNTR association study

Table 5 Pearson's product moment correlations between dependent variables.

	Variable	1	2	3	4	5	6	7	8	9	10	11
1	BIS Attentional Impulsivity
2	BIS Motor Impulsivity	0.542**
3	BIS Non-planning Impulsivity	0.447**	0.486**
4	BIS Total	0.804**	0.836**	0.813**
5	EIQ Ventursomeness	0.110	0.244**	0.112	0.185*
6	EIQ Impulsivity	0.531**	0.559**	0.442*	0.634**	0.245**
7	SSS Disinhibition	0.298**	0.337**	0.234**	0.350**	0.240*	0.425**
8	SSS Experience Seeking	0.119	0.199**	0.028	0.123	0.455**	0.231**	0.187*
9	SSS Boredom Susceptibility	0.307**	0.359**	0.282**	0.386**	0.302**	0.515**	0.437**	0.275**
10	SSS Thrill & Adventure Seeking	0.018	0.194**	0.064	0.114	0.799**	0.048	0.147*	0.368**	0.102
11	SSS Total	0.281**	0.412**	0.232**	0.377**	0.692**	0.440**	0.681**	0.649**	0.644**	0.660**
12	DDT	0.08	0.133*	0.124	0.15	0.008	0.205*	0.119	-0.015	0.069	-0.038	0.041

BIS and SSS Total Scores are made up of the sum of their respective subscores, explaining those high correlations. **p < .01, *p < .05 (two-tailed)

ISSN: 1744-9081