| Method for identifying risk | Not Frequent | Fairly Frequent | Frequent | Very Frequent | RII | Rank |
| Previous Experience | - | 4 | 15 | 21 | 85.6 | 1st |
| Historical Data | - | 4 | 23 | 11 | 79.6 | 2nd |
| Expert Opinion | - | 6 | 30 | 2 | 72.4 | 3rd |
| Brainstorming | 14 | 6 | 20 | 8 | 71.1 | 4th |
| Evaluation of Project | 11 | 7 | 14 | 8 | 61.9 | 5th |
| Checklist | 12 | 20 | 4 | 2 | 47.4 | 6th |
| Structured interview | 19 | 13 | 4 | 2 | 42.8 | 7th |
| Questionnaire | 23 | 9 | 6 | - | 38.8 | 8th |