Respondents’ information
| Demographic variable | Population | No. (respondents) | Estimated population proportion (%) | Sample proportion (%) |
|---|---|---|---|---|
| Firm | ||||
| Architect consultancy | 54 | 13 | 18.620 | 8.610 |
| Civil/structural engineer consultancy | 43 | 26 | 14.830 | 17.220 |
| Quantity surveying consultancy | 22 | 12 | 7.590 | 7.950 |
| Construction company | 121 | 77 | 41.720 | 50.990 |
| Government body/ parastatal/ academic institution | 50 | 23 | 17.240 | 15.230 |
| Educational level | ||||
| Diploma | 13 | 8.600 | ||
| Bachelor’s degree | 38 | 25.100 | ||
| Honours/postgraduate degree | 56 | 37.100 | ||
| Master’s degree | 41 | 27.200 | ||
| Doctoral degree | 3 | 2.000 | ||
| Profession | ||||
| Architect | 9 | 6.000 | ||
| Civil/structural engineer | 32 | 21.100 | ||
| Construction project manager | 19 | 12.500 | ||
| Quantity surveyor | 91 | 60.000 | ||
| Experience | ||||
| 0–5 years | 63 | 41.700 | ||
| 6–10 years | 44 | 29.100 | ||
| 11–15 years | 28 | 18.600 | ||
| more than 15 years | 16 | 10.600 | ||
| Total respondents | 290 | 151 | 52.100 | 100 |
| Demographic variable | Population | No. (respondents) | Estimated population proportion (%) | Sample proportion (%) |
|---|---|---|---|---|
| Architect consultancy | 54 | 13 | 18.620 | 8.610 |
| Civil/structural engineer consultancy | 43 | 26 | 14.830 | 17.220 |
| Quantity surveying consultancy | 22 | 12 | 7.590 | 7.950 |
| Construction company | 121 | 77 | 41.720 | 50.990 |
| Government body/ parastatal/ academic institution | 50 | 23 | 17.240 | 15.230 |
| Diploma | 13 | 8.600 | ||
| Bachelor’s degree | 38 | 25.100 | ||
| Honours/postgraduate degree | 56 | 37.100 | ||
| Master’s degree | 41 | 27.200 | ||
| Doctoral degree | 3 | 2.000 | ||
| Architect | 9 | 6.000 | ||
| Civil/structural engineer | 32 | 21.100 | ||
| Construction project manager | 19 | 12.500 | ||
| Quantity surveyor | 91 | 60.000 | ||
| 0–5 years | 63 | 41.700 | ||
| 6–10 years | 44 | 29.100 | ||
| 11–15 years | 28 | 18.600 | ||
| more than 15 years | 16 | 10.600 | ||
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