Table 2.
Relationship between model parameters and other measures of impulsivity. Relation to behavioral metrics of performance on IGT and BART were not significant, though they may be connected to model parameters of these tasks if these additional tasks were to be modeled.
| Scale | β (CGT) | log(k) (DDT) | 1−w (DDT) |
|---|---|---|---|
| Raven IQ | −0.14** | −0.14** | −0.12* |
| Fagerstrom Nicotine Dependence | 0.08 | 0.14** | 0.11** |
| Psychopathy Checklist: Screening Version | 0.06 | 0.15** | 0.12** |
| Barratt Impulsiveness | 0.13** | 0.01 | 0.02 |
| BUSS - Physical Aggression | 0.11** | 0.11* | 0.11** |
| Wender Utah (ADHD) | 0.10** | 0.01 | 0.01 |
| Go/No-go false alarms | 0.12* | 0.16** | 0.14 |
| Go/No-go criterion (c) | −0.10* | −0.12* | −0.08 |
| Immediate Memory discriminability (d) | −0.13* | −0.07 | −0.07 |
| Immediate Memory criterion (a) | −0.13** | −0.04 | −0.04 |
| Stop Signal inhibition failures | 0.11* | −0.05 | −0.06 |
*
p < .05
**
p < .01