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.