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Table 3 Barratt Impulsive Scale (BIS-11) mean values, standard deviations and t values for all impulsiveness subscales in abstinent alcohol-dependent people (“abstainers”) and healthy individuals (“comparison group”)

From: Decision making and impulsiveness in abstinent alcohol-dependent people and healthy individuals: a neuropsychological examination

  Abstainers (n = 40) Comparison group (n = 40)  
M (SD) M (SD) t value
Attention Impulsiveness 15.40(3.11) 13.83 (2.53) 2.48*
Motor impulsiveness 23.08 (4.69) 20.40 (3.55) 2.87**
Non-planning impulsiveness 25.08 (6.27) 21.80 (3.83) 2.82**
Total impulsiveness 63.55 (11.47) 56.03 (7.80) 3.43***
  1. M mean, SD standard deviation
  2. * p < .05; ** p < .01; *** p < .001.