Comparison of scores on self-assessment of knowledge with scores on knowledge of damaging procedures and knowledge of protective practices (Table 7) for arborists, builders, and designers, adjusted to percentages of the maximum scores of the scales.
| Knowledge factor | Arborists (%) | Builders (%) | Designers (%) |
|---|---|---|---|
| Self-assessment | 90 | 68 | 75 |
| Damaging procedures | 90 | 68 | 82 |
| Protective practices | 94 | 78 | 88 |