Table 7.
Comparison of Best-Fitting Model with Unadjusted Model of Decision-Making Under Risk
| Between-Subjects Effects | Within-Subjects Effects | Unadjusted Model | Final Model |
|---|---|---|---|
| Intercept (SE) |
20.38** (1.56) |
24.17** (2.16) |
|
| Age (SE) |
2.89** (.22) |
2.81** (.22) |
|
| Age2 (SE) |
−.08* (.03) |
−.08* (.03) |
|
| Participant Sex (SE) |
– | −.5.69* (2.79) |
|
| Intelligence (SE) |
– | .31* (.13) |
|
| BIS (SE) |
– | .53 (.40) |
|
| BAS (SE) |
– | −.60* (.23) |
|
| Overall Experience (SE) |
– | 1.31 (1.11) |
|
| Intelligence (SE) |
– | .14 (.19) |
|
| BIS (SE) |
– | .03 (.50) |
|
| BAS (SE) |
– | .38 (.45) |
|
|
| |||
| Variance Components | |||
|
| |||
| Intercept | 239.80 | 249.29 | |
| Residual | 390.64 | 331.50 | |
|
| |||
| Model Fit | |||
|
| |||
| BIC | 5899 | 5894 | |
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.