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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Addict Behav. 2018 Apr 9;84:126–130. doi: 10.1016/j.addbeh.2018.04.005

Table 1.

Correlation estimates among self-report and behavioral measures of impulsivity-related assessments and substance use.

ZSS BIS-11 EDT BART Alcohol Use
M (SD) Pearson Correlation Estimates (Standard Errors)
ZSS 19.99 (6.21)
BIS-11 65.05 (11.31) .46 (.03)
EDT 0.65 (0.13) .07 (.02) .03 (.01)
BART 27.12 (9.65) .09 (.05) -.07 (.01) .15 (.01)
Alcohol Use Quantity 21.22 (31.40) .44 (.04) .30 (.08) .02 (.01) -.10 (.02)
Marijuana Use Quantity 2.66 (6.00) .35 (.05) .23 (.04) .17 (.06) .01 (.03) .41 (.03)

Note. Substance use quantity was the total number of drinks for alcohol and joints smoked for marijuana in the last six months. Abbreviations: ZSS: Zuckerman Sensation Seeking Scale; BIS-11: Barratt Impulsiveness Scale-Version 11; EDT: Experiential Discounting Task; BART: Balloon Analog Risk Task performance, modeled by total pumps.