Table 5.
Results of the moderated mediation analysis (Model 63 – see Figure 4b) testing the effects of Run length (I.V.), Δ probability, Δ probability × alternation choice (mediators), final color and gambling status (moderators), BSSS, BIS-11, BSSS × gambling status, BIS-11 × gambling status (covariates) on bet amount
| Model summary | R2 | F | p |
|---|---|---|---|
| .1513 | 4.196 | <.001 |
| Model | B | t | p | CI |
|---|---|---|---|---|
| Constant | 5.1396 | 16.9242 | .0000 | [4.5420, 5.7371] |
| Δ Probability | −0.0532 | −2.1746 | .0304 | [−0.1014, −0.0051] |
| Δ Probability × alternation choice | 0.0841 | 3.1342 | .0019 | [0.0313, 0.1370] |
| Run length | −0.1889 | −.4603 | .6456 | [−0.9963, 0.6185] |
| Δ Probability × final color | 0.0411 | −1.4346 | .1524 | [−0.0153, 0.0975] |
| Δ Probability × alternation choice × final color | −0.0855 | −2.5554 | .0111 | [−0.1513, −0.0197] |
| Final color | −0.1155 | −0.3530 | .7243 | [−0.7593, 0.5283] |
| Run length × final color | −0.0221 | −0.0474 | .9622 | [−0.9380, 0.8939] |
| Gambling status | 1.2011 | 3.4459 | .0006 | [0.5152, 1.8870] |
| Run length × gambling status | −0.3454 | −0.7325 | .4644 | [−1.2731, 0.5824] |
| BSSS | −0.0032 | −0.1033 | .9178 | [−0.0635, 0.0571] |
| BIS-11 | 0.0272 | 1.4156 | .1579 | [−0.0106, 0.0650] |
| BSSS × gambling status | 0.0465 | 1.0714 | .2848 | [−0.0389, 0.1320] |
| BIS-11 × gambling status | −0.0382 | −1.5006 | .1345 | [−0.0882, 0.0119] |
| Conditional indirect effect of run length on bet amount through Δ probability and Δ probability × alternation choice (mediators) and at values of the moderator(s) | ||||
|---|---|---|---|---|
| Mediator | Final color | Gambling status | Effect | CI |
| Δ Probability | Red | Non-problem gamblers | −0.4360 | [−1.0458, −0.0243] |
| Δ Probability | Red | Problem gamblers | −0.2963 | [−0.8120, 0.0699] |
| Δ Probability | Black | Non-problem gamblers | 0.0239 | [−0.0845, 0.2615] |
| Δ Probability | Black | Problem gamblers | 0.0558 | [−0.0930, 0.3189] |
| Δ Probability × alternation choice | Red | Non-problem gamblers | 0.8421 | [0.2492, 1.5980] |
| Δ Probability × alternation choice | Red | Problem gamblers | 0.5578 | [0.0211, 1.2823] |
| Δ Probability × alternation choice | Black | Non-problem gamblers | 0.0015 | [−0.1339, 0.1277] |
| Δ Probability × alternation choice | Black | Problem gamblers | 0.0060 | [−0.2709, 0.2499] |
Note. For lack of space, the conditional direct effects of run length at values of the moderators are not reported because all were not significant. CI: confidence interval.