Table 1.

Sample population

S/NProfessionals groupPopulationSample size
1Architects95891
2Builders61086
3Quantity surveyors87090
4Engineers2,67096
 Total 363

Notes:

*NIA – Nigerian Institute of Architecture; NIOB – Nigerian Institute of Building; NIQS – Nigerian Institute of Quantity Surveying; NSE – Nigerian Society of Engineers

Source: NIA (2020), NIOB (2020); NIQS (2020); and NSE (2020) 

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