Evaluating Internal Factors Affecting Labour Productivity in Medium-Sized Construction Firms in Nigeria: PLS-SEM Approach

Productivity has an important role to help construction firms to be competitive, achieve set goals, and meet stakeholders and value propositions. The objectives of this research are to assess the internal factors affecting labour productivity in the medium size construction firms, to analyzed the level of impact of those internal factors on labour output and suggest ways for improving labour output in the construction industry. The study used structural equation modeling (PLS-SEM) techniques with the application of SPSS and Smart PLS-SEM software to analyze the relationship of factors in the conceptual framework. The outcome of the study shows that labour output in medium sized construction firms are been affected due to factors such as; project finance, project characteristics, technology/ process, workforce, materials and tools (β= 0.388, 0.436, 0.245, 0.315 and 0.525; p