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. 2013 Mar 6;8(3):e58946. doi: 10.1371/journal.pone.0058946

Table 1. Descriptive statistics (mean ± SD) of personality measures and task performance.

Measures Total Sample Males Females t-value
Age 26.47±7.14 28.46±7.90 24.60±5.79 3.56**
BIS-11 60.90±8.99 60.94±8.69 60.87±9.31 0.05
Motor Impulsiveness 19.70±4.15 19.51±4.24 19.87±4.08 −0.55
Non-Planning 24.51±4.19 24.61±4.34 24.42±4.06 0.29
Attentional Impulsiveness 16.69±3.51 16.81±3.34 16.58±3.69 0.43
BIS-Anxiety 23.80±5.05 22.13±5.15 25.38±4.43 −4.33**
BAS Reward Responsiveness 20.36±2.91 20.37±2.87 20.34±2.96 0.74
BAS Drive 12.04±3.20 12.19±3.02 11.91±3.36 0.56
BAS Fun Seeking 11.21±3.40 10.36±3.23 11.07±3.57 0.55
SSS-V 18.24±5.99 19.21±5.92 17.31±5.94 2.05*
IGT-Net score 10.12±24.49 14.35±27.40 6.27±21.08 1.50
IGT-v Net score −3.16±26.40 −6.45±27.64 0.05±25.06 −1.1

Notes. BIS-11: Barratt Impulsiveness Scale; BIS: Behavioural Inhibition System; BAS: Behavioural Approach Systems; SSS-V: Sensation Seeking Scale-v; IGT: Iowa Gambling Task; IGT-v: variant of the Iowa Gambling Task; Net score is computed as difference between advantageous and disadvantageous deck selections; Total Sample: N = 165, Males: N = 80, Females: N = 85; IGT: N = 84, Males = 40, Females: N = 44; IGT-v: N = 81, Males = 40, Females: N = 41; *p<.05, **p<.001.