Table 5 Frequency of experts’ judgement
Judgment criteria | High | Medium | Low | |||
|---|---|---|---|---|---|---|
Numbers | Frequency(%) | Numbers | Frequency(%) | Numbers | Frequency(%) | |
Practical experience | 14 | 66.67 | 7 | 33.33 | 0 | 0 |
Theoretical analysis | 18 | 85.71 | 3 | 14.29 | 0 | 0 |
Reference | 5 | 23.81 | 10 | 47.62 | 6 | 28.57 |
Intuitive perception | 14 | 66.67 | 5 | 23.81 | 2 | 9.52 |