Table 3 Attribute names and levels.
Attribute name | Prior values | Level 1 | Level 2 | Level 3 |
|---|---|---|---|---|
Greenery visibility rate | -1.234, -0.661 | Low | Medium | High^ |
Interface transparency | 0.310, -0.639 | Open | Semi-open | Closed^ |
Relative sidewalk width | -1.612, -0.668 | Narrow | Medium | Wide^ |
Barrier separation | 0.402 | Yes | No^ | Â |
Motor vehicle flow | 0.031, -0.156 | Low | Medium | High^ |
Pedestrian flow | 0.297, 0.376 | Low | Medium | High^ |
Street signs | 0.107 | Few | Medium | Many^ |
