Table 6.
Summary of simulation results
| Metric | Ruleset 1 (transparent) | Ruleset 2 (blind) | ||||
|---|---|---|---|---|---|---|
| Control | Group I | Group II | Control | Group I | Group II | |
| allow/join* | 49.36% | 49.76% | 63.07% | 49.93% | 50.39% | 64.91% |
| allow/wait | 1.96% | 1.57% | 1.62% | 2.37% | 1.91% | 1.92% |
| block/join | 1.15% | 0.67% | 0.00% | 2.20% | 1.82% | 0.00% |
| block/wait | 47.52% | 48.00% | 35.30% | 45.50% | 45.89% | 33.17% |
| Near misses | 0.44% | 0.14% | 0.08% | 0.63% | 0.43% | 0.19% |
| Crashes | 0.00% | 0.00% | 0.00% | 0.07% | 0.04% | 0.01% |
Average payoff (vehicle  ) |
− 0.751 | − 0.724 | − 0.758 | − 1.059 | − 0.952 | − 0.809 |
| One-tailed paired t-test (vs Control) | – | < 0.01 | < 0.01 | – | < 0.01 | < 0.01 |
| One-tailed paired t-test (vs Group I) | – | – | < 0.01 | – | – | < 0.01 |
Average payoff (vehicle  ) |
− 0.511 | − 0.492 | − 0.403 | − 0.761 | − 0.654 | − 0.435 |
| One-tailed paired t-test (vs Control) | – | < 0.01 | < 0.01 | – | < 0.01 | < 0.01 |
| One-tailed paired t-test (vs Group I) | – | – | < 0.01 | – | – | < 0.01 |
*For test/group II, allow/join also includes forced joins, regardless of vehicle 
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