Research Article
Effectiveness and Optimal Location of Real-Time Traffic Conflict Risk Warning System for Rural Unsignalized Intersections: A Driving Simulation Study
Table 2
Correlation analysis data.
| Evaluation index | Locations | Pearson correlation | P-value (two-tailed) |
| Coefficient of speed variation | 0.732 | 0.035 | Jerk SD | −0.551 | -0.009 | Heart rate growth rate | 0.734 | 0.025 | The growth rate of EDA | −0.004 | 0.980 | Angle entropy of steering wheel | −0.811 | 0.037 | Maximum depression of the brake pedal | −0.308 | 0.039 | Braking cycles | −0.540 | 0.049 |
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Significant at 0.01 level (two-tailed). Significant at 0.05 level (two-tailed). |