Table 2. Pearson correlation coefficients between self-report and behavioural variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 1. BIS-11 | .78 | ||||||||
| 2. Motor Impulsiveness | .80** | .68 | |||||||
| 3. Non-Planning | .80** | .48** | .59 | ||||||
| 4. Attentional Impulsiveness | .66** | .29** | .29** | .67 | |||||
| 5. BIS-anxiety | .11 | .04 | −.02 | .25** | .84 | ||||
| 6. BAS Reward Responsiveness | .05 | .12 | −.15* | .16* | .28** | .71 | |||
| 7. BAS Drive | .14 | .25** | .03 | .03 | −.04 | .34** | .79 | ||
| 8. BAS Fun Seeking | .54** | .55** | .33** | .33** | .01 | .36** | .32** | .79 | |
| 9. SSS-V | .37** | .35** | .24** | .24** | −.21** | .13 | .26** | .46** | .78 |
| IGT Net score | −.08 | −.05 | −.23* | .10 | −.14 | .21 | −.07 | .05 | .17 |
| IGT-v Net score | −.44** | −.30** | −.39** | −.29** | .19 | −.00 | −.12 | −.28* | −.36** |
Notes. Cronbach's Alpha reliability indexes are reported in the main diagonal; BIS-11: Barratt Impulsiveness Scale; BAS: Behavioural Approach Systems scale; SSS-V: Sensation Seeking Scale-v; IGT: Iowa Gambling Task; IGT-v: variant of the Iowa Gambling Task; * p≤0.05, **p≤0.01; bold values indicate significant correlations between self-report measures and task performance.