Table 2.
Ordinal regression analysis (Model 2), showing the effect of stimulation in the FP1/FP2 trials in the dictator and generosity games.
| Estimate | Wald | Odds ratio | LL | UL | p value | Bonferroni-corrected p value | |
|---|---|---|---|---|---|---|---|
| Stimulation | − 0.295 | 7.507 | 0.745 | 0.603 | 0.920 | 0.006 | |
| FP1 in DG | − 5.181 | 3016.594 | 0.006 | 0.005 | 0.007 | < 0.001 | |
| FP1 in GG | − 4.462 | 1514.658 | 0.000 | 0.009 | 0.014 | < 0.001 | |
| FP2 in DG | − 2.921 | 1048.599 | 0.054 | 0.045 | 0.064 | < 0.001 | |
| FP2 in GGa | 0 | 1 | N/A | ||||
| Stimulation × FP1 in DG | 0.518 | 19.468 | 1.679 | 1.334 | 2.113 | < 0.001** | 0.00004 |
| Stimulation × FP1 in GG | 0.364 | 5.834 | 1.439 | 1.071 | 1.934 | 0.016 | 0.064 |
| Stimulation × FP2 in DG | 0.295 | 6.300 | 1.343 | 1.067 | 1.690 | 0.012 | 0.048 |
| Stimulation × FP2 in GGa | 0 | 1 | N/A |
aRepresents reference category; DG—dictator game; GG—generosity game; FP1—FP1 trials; FP2—FP2 trials.
**p = 0.00001.