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. Author manuscript; available in PMC: 2010 Apr 13.
Published in final edited form as: J Psychiatr Res. 2009 Feb 18;43(12):1036–1048. doi: 10.1016/j.jpsychires.2009.01.002

Table 6.

Correlations among impulsivity variables across subjects.

IMT BGT BIS-M BIS-C BIS-N LHIB-CS LHIB-NC
PAT .01 .08 −.04 −.03 .04 −.03 −.05
IMT .05 .21*** .17** .18** .06 .11
BGT .12* .08 .09 .13* .01
BIS-M .62*** .58*** .50*** .09
BIS-C .61*** .44*** .12
BIS-N .61*** .10
LHIB-CS −.43***

Note: PAT = Passive Avoidance Task ratio; IMT = Immediate Memory Task ratio; BGT = Bechara Gambling Task total disadvantageous deck selections; BIS = Barratt impulsivity scale-11; BIS-M = BIS motor impulsivity scale; BIS-C = BIS cognitive impulsivity scale; BIS-N = BIS nonplanning scale; LHIB = Life history of impulsive behaviors; LHIB-CS = LHIB clinically significant impulsivity; LHIB-NC = LHIB non-clinically significant impulsivity.

*

p < .01.

**

p < .01.

***

p < .001.