Table 5.
Behavioral and BIS-11 Regressions on model parameters.
| Dependent variables | B (b) | R2 | F | p-value | |
|---|---|---|---|---|---|
| ω | ϑ | ||||
| BIS-11 | |||||
| BIS-11 Total | 2.42 (0.30) | 243.64 (30.18) | 0.28 | 8.67* | <0.001 |
| BIS-11: Attentional | 0.36 (0.14) | 57.25 (21.79) | 0.08 | 2.03 | 0.143 |
| BIS-11 Motor | 0.93 (0.25) | 55.65 (14.67) | 0.15 | 3.86 | 0.029 |
| BIS-11: Non-planning | 1.12 (0.29) | 130.75 (33.51) | 0.29 | 8.91* | <0.001 |
| SPSRQ | |||||
| SR | 0.48 (0.12) | 140.93 (36.34) | 0.14 | 3.72 | 0.032 |
| SP | −0.14 (−0.03) | 95.83 (17.62) | 0.02 | 0.44 | 0.645 |
| BEHAVIORAL READOUT | |||||
| BI% | 0.02 (0.48) | −0.54 (−0.09) | 0.21 | 5.95 | 0.005 |
| DU% | 0.09 (0.47) | 2.63 (0.08) | 0.25 | 7.37* | 0.002 |
| MS% | 0.03 (0.64) | −0.50 (−0.06) | 0.40 | 14.44* | <0.001 |
| CS% | 0.04 (0.74) | 0.06 (0.06) | 0.57 | 29.42* | <0.001 |
ω and ϑ - model parameters of winning model (Model 2, Perceptual variable: WLN, Response Variable: {BI, DU, MS, CS) regressed on total BIS-11, SPSRQ and behavioral readout. B, unstandardized regression coefficient; b, standardized regression coefficient; BIS-11, Barratt Impulsiveness Scale; SPSRQ, Sensitivity to Punishment Sensitivity to Reward Questionnaire; BI%, bet increase %; DU%, double-up %; MS%, machine Switch %; CS%, casino switch %.
*
Indicates significant F-test statistics (p < 0.05). Bonferroni-corrected significance level: α = 0.005.