Table 5.
Comparison of Best-Fitting Model with Unadjusted Model of Overall Iowa Gambling Task Performance
| Between-Subjects Effects | Within-Subjects Effects | Unadjusted Model | Final Model |
|---|---|---|---|
| Intercept (SE) |
20.13** (1.88) |
23.98** (2.74) |
|
| Age (SE) |
3.74** (.31) |
3.65** (.31) |
|
| Participant Sex (SE) |
– | −6.14 (3.70) |
|
| Intelligence (SE) |
– | .38* (.18) |
|
| BIS (SE) |
– | .76 (.53) |
|
| BAS (SE) |
– | −.91** (.31) |
|
| Overall Experience (SE) |
– | 2.98* (1.49) |
|
| Intelligence (SE) |
– | .36 (.25) |
|
| BIS (SE) |
– | .11 (.66) |
|
| BAS (SE) |
– | .25 (.62) |
|
|
| |||
| Variance Components | |||
|
| |||
| Intercept | 429.80 | 343.55 | |
| Residual | 718.61 | 706.48 | |
|
| |||
| Model Fit | |||
|
| |||
| BIC | 6284 | 6270 | |
Note. BIS = Behavioral Inhibition System. BAS = Behavioral Activation System. SE = standard error. BIC = Bayesian Information Criterion. Age, estimated intelligence, overall experience, and BIS/BAS are grand-mean centered. Participant sex is dummy-coded where 0 = male, 1 = female.
*
= p < .05.
**
= p < .01.