Table 5.
Perception-oriented task | 17 °C | 22 °C | 27 °C | |||||||
60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | ||
40 dB(A) | 0.78 ± 0.12 | 0.66 ± 0.13 | 0.68 ± 0.12 | 0.65 ± 0.14 | 0.76 ± 0.13 | 0.79 ± 0.21 | 0.64 ± 0.17 | 0.63 ± 0.11 | 0.55 ± 0.12 b | |
50 dB(A) | 0.62 ± 0.16 | 0.69 ± 0.11 | 0.75 ± 0.15 | 0.60 ± 0.12 | 0.67 ± 0.16 | 0.81 ± 0.21 a | 0.63 ± 0.21 | 0.63 ± 0.08 | 0.76 ± 0.13 | |
60 dB(A) | 0.68 ± 0.18 | 0.64 ± 0.11 | 0.70 ± 0.13 | 0.70 ± 0.16 | 0.66 ± 0.13 | 0.72 ± 0.17 | 0.58 ± 0.06 | 0.64 ± 0.16 | 0.80 ± 0.16 | |
70 dB(A) | 0.63 ± 0.13 | 0.60 ± 0.08 | 0.79 ± 0.16 | 0.56 ± 0.08 | 0.59 ± 0.20 | 0.64 ± 0.18 | 0.56 ± 0.10 | 0.62 ± 0.12 | 0.72 ± 0.16 | |
Memory-oriented task | 17 °C | 22 °C | 27 °C | |||||||
60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | ||
40 dB(A) | 3.68 ± 1.09 | 2.77 ± 0.64 | 4.00 ± 1.91 | 3.38 ± 0.86 | 3.74 ± 1.10 | 3.83 ± 1.19 | 2.51 ± 0.80 | 3.61 ± 1.11 | 2.40 ± 0.64 | |
50 dB(A) | 3.60 ± 1.25 | 3.39 ± 0.93 | 3.03 ± 1.04 | 2.68 ± 0.60 | 3.04 ± 1.27 | 4.04 ± 1.43 | 2.61 ± 0.94 | 4.08 ± 1.36 a | 4.07 ± 1.79 | |
60 dB(A) | 3.40 ± 1.60 | 3.57 ± 1.19 | 2.88 ± 0.88 | 2.25 ± 0.42 | 3.08 ± 0.86 | 2.70 ± 0.89 | 3.11 ± 0.95 | 3.12 ± 1.20 | 3.50 ± 0.84 | |
70 dB(A) | 2.78 ± 0.71 | 3.06 ± 1.16 | 3.96 ± 1.83 | 2.17 ± 0.60 b | 2.28 ± 0.50 | 2.22 ± 0.56 | 2.50 ± 0.73 | 2.41 ± 0.84 | 3.79 ± 1.09 | |
Problem-solving-oriented task | 17 °C | 22 °C | 27 °C | |||||||
60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | ||
40 dB(A) | 0.51 ± 0.13 | 0.39 ± 0.10 | 0.50 ± 0.21 | 0.46 ± 0.11 | 0.52 ± 0.20 a | 0.46 ± 0.17 | 0.41 ± 0.11 | 0.48 ± 0.14 | 0.38 ± 0.15 | |
50 dB(A) | 0.42 ± 0.13 | 0.47 ± 0.11 | 0.47 ± 0.17 | 0.44 ± 0.13 | 0.40 ± 0.10 | 0.49 ± 0.16 | 0.39 ± 0.15 | 0.49 ± 0.13 | 0.47 ± 0.19 | |
60 dB(A) | 0.38 ± 0.12 | 0.42 ± 0.11 | 0.36 ± 0.14 | 0.32 ± 0.14 | 0.44 ± 0.14 | 0.33 ± 0.15 | 0.32 ± 0.11 | 0.38 ± 0.09 | 0.49 ± 0.14 | |
70 dB(A) | 0.36 ± 0.10 | 0.39 ± 0.09 | 0.47 ± 0.13 | 0.30 ± 0.11 b | 0.33 ± 0.13 | 0.35 ± 0.14 | 0.38 ± 0.13 | 0.32 ± 0.08 | 0.45 ± 0.13 | |
Attention-oriented task | 17 °C | 22 °C | 27 °C | |||||||
60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | 60 lx | 300 lx | 2200 lx | ||
40 dB(A) | 1.69 ± 0.69 | 1.38 ± 0.42 | 2.13 ± 1.02 a | 1.50 ± 0.28 | 1.65 ± 0.65 | 1.68 ± 0.57 | 1.30 ± 0.19 | 1.37 ± 0.24 | 1.34 ± 0.37 | |
50 dB(A) | 1.42 ± 0.39 | 1.62 ± 0.60 | 1.72 ± 1.11 | 1.21 ± 0.22 | 1.26 ± 0.27 | 1.59 ± 2.37 | 1.68 ± 0.84 | 1.50 ± 0.31 | 1.51 ± 0.26 | |
60 dB(A) | 1.77 ± 0.94 | 1.74 ± 0.51 | 1.03 ± 0.27 b | 1.22 ± 0.38 | 1.40 ± 0.37 | 1.17 ± 0.25 | 1.40 ± 0.48 | 1.39 ± 0.39 | 1.42 ± 0.25 | |
70 dB(A) | 1.71 ± 0.98 | 1.52 ± 0.41 | 1.95 ± 1.38 | 1.18 ± 0.17 | 1.06 ± 0.12 | 1.11 ± 0.13 | 1.40 ± 0.38 | 1.06 ± 0.19 | 1.43 ± 0.23 |
a The highest PI achieved in each type of task. b The lowest PI achieved in each type of task.