Levels of effects of construction supervisors' cognitive elements on the effectiveness of building construction operations
| Cognitive elements (knowledge) | DME level workers' perspective | ATS level workers' perspective | Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RII | SD | CV | # | LE | RII | SD | CV | # | LE | RII | SD | CV | # | LE | |
| Construction planning | 0.83 | 0.15 | 0.18 | 1 | H | 0.92 | 0.17 | 0.18 | 2 | EH | 0.87 | 0.16 | 0.18 | 1 | H |
| Construction materials | 0.82 | 0.16 | 0.20 | 2 | H | 0.92 | 0.15 | 0.16 | 2 | EH | 0.86 | 0.17 | 0.20 | 2 | H |
| Performance evaluation on labour skills | 0.81 | 0.16 | 0.20 | 3 | H | 0.92 | 0.15 | 0.16 | 4 | EH | 0.86 | 0.17 | 0.20 | 2 | H |
| Basic concepts of structures | 0.80 | 0.16 | 0.20 | 5 | H | 0.93 | 0.16 | 0.17 | 1 | EH | 0.85 | 0.15 | 0.18 | 4 | H |
| Site management | 0.80 | 0.16 | 0.20 | 4 | H | 0.87 | 0.20 | 0.23 | 6 | H | 0.83 | 0.15 | 0.18 | 5 | H |
| Resource management | 0.79 | 0.15 | 0.19 | 7 | HM | 0.87 | 0.14 | 0.16 | 7 | H | 0.82 | 0.20 | 0.24 | 6 | H |
| Construction procedures and technology | 0.80 | 0.21 | 0.26 | 6 | H | 0.86 | 0.15 | 0.17 | 8 | H | 0.82 | 0.14 | 0.17 | 6 | H |
| Industrial research | 0.77 | 0.14 | 0.18 | 11 | HM | 0.89 | 0.17 | 0.19 | 5 | H | 0.82 | 0.13 | 0.16 | 6 | H |
| Health and safety in construction | 0.79 | 0.14 | 0.18 | 8 | HM | 0.84 | 0.17 | 0.20 | 9 | H | 0.81 | 0.15 | 0.19 | 9 | H |
| Material and equipment handling | 0.78 | 0.16 | 0.21 | 9 | HM | 0.80 | 0.13 | 0.16 | 11 | H | 0.79 | 0.11 | 0.14 | 10 | HM |
| Quality assurance and control | 0.77 | 0.12 | 0.16 | 10 | HM | 0.80 | 0.13 | 0.16 | 10 | H | 0.78 | 0.12 | 0.15 | 11 | HM |
| New technologies in construction | 0.76 | 0.17 | 0.22 | 12 | HM | 0.77 | 0.13 | 0.17 | 15 | HM | 0.77 | 0.16 | 0.21 | 12 | HM |
| English/Languages other than mother tongue | 0.73 | 0.12 | 0.16 | 13 | HM | 0.79 | 0.14 | 0.18 | 12 | HM | 0.76 | 0.11 | 0.14 | 13 | HM |
| Basic labour laws and regulation | 0.72 | 0.12 | 0.17 | 14 | HM | 0.79 | 0.15 | 0.19 | 12 | HM | 0.75 | 0.13 | 0.17 | 14 | HM |
| Financial knowledge | 0.71 | 0.11 | 0.15 | 17 | HM | 0.78 | 0.13 | 0.17 | 14 | HM | 0.74 | 0.16 | 0.22 | 15 | HM |
| Waste management | 0.71 | 0.13 | 0.18 | 16 | HM | 0.76 | 0.15 | 0.20 | 16 | HM | 0.73 | 0.13 | 0.18 | 16 | HM |
| Simple architecture | 0.72 | 0.15 | 0.21 | 15 | HM | 0.74 | 0.14 | 0.19 | 19 | HM | 0.73 | 0.12 | 0.16 | 16 | HM |
| Information and communication technology | 0.70 | 0.14 | 0.20 | 18 | HM | 0.73 | 0.12 | 0.16 | 21 | HM | 0.72 | 0.15 | 0.21 | 18 | HM |
| Water management | 0.69 | 0.14 | 0.20 | 20 | M | 0.74 | 0.13 | 0.18 | 19 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Environmental sustainability | 0.68 | 0.12 | 0.18 | 23 | M | 0.75 | 0.14 | 0.19 | 18 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Environment and society | 0.68 | 0.11 | 0.16 | 24 | M | 0.75 | 0.12 | 0.16 | 17 | HM | 0.71 | 0.12 | 0.17 | 19 | HM |
| Estimation | 0.70 | 0.13 | 0.19 | 19 | HM | 0.72 | 0.12 | 0.17 | 22 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Simple measurements | 0.69 | 0.12 | 0.17 | 22 | M | 0.67 | 0.12 | 0.18 | 23 | M | 0.68 | 0.13 | 0.19 | 23 | M |
| Numeracy | 0.69 | 0.12 | 0.17 | 21 | M | 0.63 | 0.13 | 0.21 | 25 | M | 0.67 | 0.13 | 0.19 | 24 | M |
| Basic electricity | 0.67 | 0.14 | 0.21 | 25 | M | 0.64 | 0.14 | 0.22 | 24 | M | 0.66 | 0.15 | 0.23 | 25 | M |
| Cognitive elements (knowledge) | DME level workers' perspective | ATS level workers' perspective | Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RII | SD | CV | # | LE | RII | SD | CV | # | LE | RII | SD | CV | # | LE | |
| Construction planning | 0.83 | 0.15 | 0.18 | 1 | H | 0.92 | 0.17 | 0.18 | 2 | EH | 0.87 | 0.16 | 0.18 | 1 | H |
| Construction materials | 0.82 | 0.16 | 0.20 | 2 | H | 0.92 | 0.15 | 0.16 | 2 | EH | 0.86 | 0.17 | 0.20 | 2 | H |
| Performance evaluation on labour skills | 0.81 | 0.16 | 0.20 | 3 | H | 0.92 | 0.15 | 0.16 | 4 | EH | 0.86 | 0.17 | 0.20 | 2 | H |
| Basic concepts of structures | 0.80 | 0.16 | 0.20 | 5 | H | 0.93 | 0.16 | 0.17 | 1 | EH | 0.85 | 0.15 | 0.18 | 4 | H |
| Site management | 0.80 | 0.16 | 0.20 | 4 | H | 0.87 | 0.20 | 0.23 | 6 | H | 0.83 | 0.15 | 0.18 | 5 | H |
| Resource management | 0.79 | 0.15 | 0.19 | 7 | HM | 0.87 | 0.14 | 0.16 | 7 | H | 0.82 | 0.20 | 0.24 | 6 | H |
| Construction procedures and technology | 0.80 | 0.21 | 0.26 | 6 | H | 0.86 | 0.15 | 0.17 | 8 | H | 0.82 | 0.14 | 0.17 | 6 | H |
| Industrial research | 0.77 | 0.14 | 0.18 | 11 | HM | 0.89 | 0.17 | 0.19 | 5 | H | 0.82 | 0.13 | 0.16 | 6 | H |
| Health and safety in construction | 0.79 | 0.14 | 0.18 | 8 | HM | 0.84 | 0.17 | 0.20 | 9 | H | 0.81 | 0.15 | 0.19 | 9 | H |
| Material and equipment handling | 0.78 | 0.16 | 0.21 | 9 | HM | 0.80 | 0.13 | 0.16 | 11 | H | 0.79 | 0.11 | 0.14 | 10 | HM |
| Quality assurance and control | 0.77 | 0.12 | 0.16 | 10 | HM | 0.80 | 0.13 | 0.16 | 10 | H | 0.78 | 0.12 | 0.15 | 11 | HM |
| New technologies in construction | 0.76 | 0.17 | 0.22 | 12 | HM | 0.77 | 0.13 | 0.17 | 15 | HM | 0.77 | 0.16 | 0.21 | 12 | HM |
| English/Languages other than mother tongue | 0.73 | 0.12 | 0.16 | 13 | HM | 0.79 | 0.14 | 0.18 | 12 | HM | 0.76 | 0.11 | 0.14 | 13 | HM |
| Basic labour laws and regulation | 0.72 | 0.12 | 0.17 | 14 | HM | 0.79 | 0.15 | 0.19 | 12 | HM | 0.75 | 0.13 | 0.17 | 14 | HM |
| Financial knowledge | 0.71 | 0.11 | 0.15 | 17 | HM | 0.78 | 0.13 | 0.17 | 14 | HM | 0.74 | 0.16 | 0.22 | 15 | HM |
| Waste management | 0.71 | 0.13 | 0.18 | 16 | HM | 0.76 | 0.15 | 0.20 | 16 | HM | 0.73 | 0.13 | 0.18 | 16 | HM |
| Simple architecture | 0.72 | 0.15 | 0.21 | 15 | HM | 0.74 | 0.14 | 0.19 | 19 | HM | 0.73 | 0.12 | 0.16 | 16 | HM |
| Information and communication technology | 0.70 | 0.14 | 0.20 | 18 | HM | 0.73 | 0.12 | 0.16 | 21 | HM | 0.72 | 0.15 | 0.21 | 18 | HM |
| Water management | 0.69 | 0.14 | 0.20 | 20 | M | 0.74 | 0.13 | 0.18 | 19 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Environmental sustainability | 0.68 | 0.12 | 0.18 | 23 | M | 0.75 | 0.14 | 0.19 | 18 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Environment and society | 0.68 | 0.11 | 0.16 | 24 | M | 0.75 | 0.12 | 0.16 | 17 | HM | 0.71 | 0.12 | 0.17 | 19 | HM |
| Estimation | 0.70 | 0.13 | 0.19 | 19 | HM | 0.72 | 0.12 | 0.17 | 22 | HM | 0.71 | 0.13 | 0.18 | 19 | HM |
| Simple measurements | 0.69 | 0.12 | 0.17 | 22 | M | 0.67 | 0.12 | 0.18 | 23 | M | 0.68 | 0.13 | 0.19 | 23 | M |
| Numeracy | 0.69 | 0.12 | 0.17 | 21 | M | 0.63 | 0.13 | 0.21 | 25 | M | 0.67 | 0.13 | 0.19 | 24 | M |
| Basic electricity | 0.67 | 0.14 | 0.21 | 25 | M | 0.64 | 0.14 | 0.22 | 24 | M | 0.66 | 0.15 | 0.23 | 25 | M |
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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