Table 4

Levels of effects of construction supervisors' cognitive elements on the effectiveness of building construction operations

Cognitive elements (knowledge)DME level workers' perspectiveATS level workers' perspectiveOverall
RIISDCV#LERIISDCV#LERIISDCV#LE
Construction planning0.830.150.181H0.920.170.182EH0.870.160.181H
Construction materials0.820.160.202H0.920.150.162EH0.860.170.202H
Performance evaluation on labour skills0.810.160.203H0.920.150.164EH0.860.170.202H
Basic concepts of structures0.800.160.205H0.930.160.171EH0.850.150.184H
Site management0.800.160.204H0.870.200.236H0.830.150.185H
Resource management0.790.150.197HM0.870.140.167H0.820.200.246H
Construction procedures and technology0.800.210.266H0.860.150.178H0.820.140.176H
Industrial research0.770.140.1811HM0.890.170.195H0.820.130.166H
Health and safety in construction0.790.140.188HM0.840.170.209H0.810.150.199H
Material and equipment handling0.780.160.219HM0.800.130.1611H0.790.110.1410HM
Quality assurance and control0.770.120.1610HM0.800.130.1610H0.780.120.1511HM
New technologies in construction0.760.170.2212HM0.770.130.1715HM0.770.160.2112HM
English/Languages other than mother tongue0.730.120.1613HM0.790.140.1812HM0.760.110.1413HM
Basic labour laws and regulation0.720.120.1714HM0.790.150.1912HM0.750.130.1714HM
Financial knowledge0.710.110.1517HM0.780.130.1714HM0.740.160.2215HM
Waste management0.710.130.1816HM0.760.150.2016HM0.730.130.1816HM
Simple architecture0.720.150.2115HM0.740.140.1919HM0.730.120.1616HM
Information and communication technology0.700.140.2018HM0.730.120.1621HM0.720.150.2118HM
Water management0.690.140.2020M0.740.130.1819HM0.710.130.1819HM
Environmental sustainability0.680.120.1823M0.750.140.1918HM0.710.130.1819HM
Environment and society0.680.110.1624M0.750.120.1617HM0.710.120.1719HM
Estimation0.700.130.1919HM0.720.120.1722HM0.710.130.1819HM
Simple measurements0.690.120.1722M0.670.120.1823M0.680.130.1923M
Numeracy0.690.120.1721M0.630.130.2125M0.670.130.1924M
Basic electricity0.670.140.2125M0.640.140.2224M0.660.150.2325M

Note(s): µ: Mean; σ: Standard Deviation; CV: Coefficient of Variation; RII: Relative Important Index; LE: Level of Effect; #: Rank; EH: Extremely High; H: High; HM: High-Moderate; M: Moderate; ML: Moderate-Low; L: Low; EL: Extremely Low

Source(s): Authors own work

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