|
| Frequency | Percent | Valid Percent |
| Low Environmental Stress | 7 | 9.1 | 9.1 |
| Moderate Environmental Stress | 49 | 63.6 | 63.6 |
| High Environmental Stress | 21 | 27.3 | 27.3 |
| Total | 77 | 100.0 | 100.0 |