Criteria/checklist for constituting the panel of experts for the Delphi study
| Questionnaire items | Marks possible | Expected maximum marks | Expected minimum marks | Obtained minimum marks |
|---|---|---|---|---|
| Q1. Please indicate your highest level of education | ||||
| Higher diploma | 1 point | 1 point | 1 point | |
| Bachelor's degree | 2 points | |||
| Master's degree | 3 points | |||
| Doctoral degree | 4 points | 4 points | ||
| Q2. Are you a member of any professional body in Nigeria? | ||||
| Yes | 3 points | 3 points | 3 points | |
| No | 1 point | 1 point | ||
| Q3 Please indicate your years of experience in the Nigerian built environment industry | ||||
| 0–5 years | 1 point | 1 point | 1 point | |
| 6–11 years | 2 points | |||
| 11–20 years | 3 points | |||
| 21–30 years | 4 points | |||
| Over 31 years | 5 points | 5 points | ||
| Total | 12 points | 3 points | 5 points | |
| Questionnaire items | Marks possible | Expected maximum marks | Expected minimum marks | Obtained minimum marks |
|---|---|---|---|---|
| Higher diploma | 1 point | 1 point | 1 point | |
| Bachelor's degree | 2 points | |||
| Master's degree | 3 points | |||
| Doctoral degree | 4 points | 4 points | ||
| Yes | 3 points | 3 points | 3 points | |
| No | 1 point | 1 point | ||
| 0–5 years | 1 point | 1 point | 1 point | |
| 6–11 years | 2 points | |||
| 11–20 years | 3 points | |||
| 21–30 years | 4 points | |||
| Over 31 years | 5 points | 5 points | ||
| Total | 12 points | 3 points | 5 points | |
Note(s): Minimum obtained marks of 5 points qualified an expert to be part of the Delphi panel
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