Rating Scale | Range | Interpretation |
5 | 4.21 - 5.00 | Severe Obstacle |
4 | 3.41 - 4.20 | High Obstacle |
3 | 2.61 - 3.40 | Moderate Obstacle |
2 | 1.81 - 2.60 | Low Obstacle |
1 | 1.00 - 1.80 | Minimal Obstacle |