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Pilot Test of Fatigue Management Technologies - Final Report

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Appendix D-1
Canada Study Phase 1 results from PVT Performance

PVT Table 1: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Raw Lapses

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 0.50 0.71 4 3.25 0.96 5 1.20 1.10 3 2.67 2.08 . . . 1 1.00 .
2 3 2.00 1.73 2 4.00 5.66 . . . 3 1.33 2.31 8 2.88 3.40 1 8.00 .
4 11 0.45 0.69 9 0.22 0.44 . . . 8 0.50 0.76 8 0.13 0.35 . . .
5 4 0.50 1.00 9 0.33 0.50 10 0.10 0.32 3 1.67 1.15 7 0.71 1.50 3 0.33 0.58
6 3 1.67 0.58 7 0.71 0.76 1 1.00 . 4 1.75 2.87 9 0.56 1.01 . . .
7 8 0.75 0.46 9 0.56 0.73 3 1.33 0.58 7 1.00 1.41 10 0.70 1.06 2 0.00 0.00
8 9 0.00 0.00 6 0.00 0.00 1 0.00 . . . . . . . . . .
10 1 3.00 . 7 3.43 1.90 9 5.00 4.09 1 3.00 . 9 4.67 2.45 9 3.11 2.71
11 . . . 1 1.00 . 15 1.33 1.35 1 0.00 . 1 10.00 . 17 1.24 1.52
12 8 0.13 0.35 8 0.13 0.35 . . . 10 0.50 0.85 10 0.00 0.00 . . .
13 11 1.00 1.61 11 0.55 1.51 8 0.88 1.13 . . . 1 2.00 . . . .
15 6 8.00 7.24 5 2.40 3.91 2 11.50 13.44 5 18.80 4.09 3 4.33 2.89 1 4.00 .
17 9 3.44 2.40 4 2.25 2.63 2 1.00 1.41 8 4.50 3.21 1 5.00 . . . .
18 4 0.75 0.50 4 0.75 0.96 5 1.20 1.79 3 2.33 3.21 2 0.50 0.71 3 3.33 2.08
19 3 0.33 0.58 6 0.00 0.00 5 2.00 2.92 1 8.00 . 1 2.00 . 2 0.00 0.00
21 6 0.17 0.41 6 0.33 0.52 5 0.60 0.89 11 0.18 0.40 2 0.00 0.00 8 0.38 0.74
22 1 1.00 . . . . . . . 1 3.00 . 5 4.00 6.28 3 2.33 1.53
23 1 1.00 . 2 5.50 2.12 1 3.00 . 6 11.50 3.62 3 6.67 5.69 1 6.00 .
25 2 0.00 0.00 6 1.00 1.10 . . . 2 0.00 0.00 1 0.00 . 1 0.00 .
26 6 4.83 2.79 3 2.00 1.00 1 19.00 . 3 12.33 5.03 3 5.33 2.52 1 19.00 .
                                     
Sum/Mean 98 1.55   109 1.50   73 3.28   80 4.06   84 2.75   53 3.48  

PVT Table 2: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Transformed Lapses

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 1.71 1.00 4 3.84 0.52 5 2.39 0.97 3 3.42 1.16 . . . 1 2.41 .
2 3 3.02 1.06 2 3.42 3.42 . . . 3 2.08 1.87 8 3.07 2.05 1 5.83 .
4 11 1.58 0.83 9 1.31 0.62 . . . 8 1.62 0.89 8 1.18 0.50 . . .
5 4 1.54 1.08 9 1.47 0.71 10 1.14 0.45 3 2.85 0.76 7 1.66 1.25 3 1.47 0.81
6 3 2.90 0.43 7 1.91 0.89 1 2.41 . 4 2.38 1.93 9 1.62 1.00 . . .
7 8 2.06 0.65 9 1.71 0.87 3 2.66 0.43 7 1.98 1.30 10 1.77 1.06 2 1.00 0.00
8 9 1.00 0.00 6 1.00 0.00 1 1.00 . . . . . . . . . .
10 1 3.73 . 7 3.74 1.34 9 4.41 1.68 1 3.73 . 9 4.31 1.47 9 3.58 1.30
11 . . . 1 2.41 . 15 2.38 1.17 1 1.00 . 1 6.48 . 17 2.28 1.18
12 8 1.18 0.50 8 1.18 0.50 . . . 10 1.57 0.94 10 1.00 0.00 . . .
13 11 1.97 1.29 11 1.46 1.15 8 1.96 1.11 . . . 1 3.15 . . . .
15 6 5.35 2.53 5 2.58 2.33 2 6.21 4.33 5 8.75 0.93 3 4.20 1.55 1 4.24 .
17 9 3.71 1.43 4 2.73 2.01 2 2.08 1.52 8 4.15 1.73 1 4.69 . . . .
18 4 2.06 0.71 4 1.89 1.07 5 2.08 1.53 3 2.84 2.08 2 1.71 1.00 3 3.78 1.21
19 3 1.47 0.81 6 1.00 0.00 5 2.61 1.85 1 5.83 . 1 3.15 . 2 1.00 0.00
21 6 1.24 0.58 6 1.47 0.73 5 1.71 1.01 11 1.26 0.57 2 1.00 0.00 8 1.45 0.85
22 1 2.41 . . . . . . . 1 3.73 . 5 3.35 2.81 3 3.27 0.92
23 1 2.41 . 2 4.86 0.87 1 3.73 . 6 6.85 1.12 3 5.06 2.12 1 5.10 .
25 2 1.00 0.00 6 2.08 1.18 . . . 2 1.00 0.00 1 1.00 . 1 1.00 .
26 6 4.44 1.36 3 3.10 0.66 1 8.83 . 3 7.06 1.47 3 4.75 1.05 1 8.83 .
                                     
Sum/Mean 98 2.36   109 2.27   73 3.04   80 3.45   84 2.95   53 3.23  

PVT Table 3: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Median Response Time

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 270.00 11.31 4 314.88 29.54 5 291.90 19.07 3 289.00 13.11 . . . 1 256.00 .
2 3 235.83 7.15 2 236.50 21.21 . . . 3 240.17 4.75 8 244.38 14.16 1 252.00 .
4 11 226.18 5.29 9 224.39 8.86 . . . 8 233.63 10.28 8 224.38 8.07 . . .
5 4 222.38 5.12 9 220.22 5.49 10 221.90 8.95 3 224.67 10.41 7 224.50 14.01 3 232.33 5.86
6 3 288.33 22.09 7 261.93 9.94 1 236.00 . 4 266.63 14.36 9 261.56 14.40 . . .
7 8 228.44 9.48 9 229.78 7.56 3 247.33 17.90 7 228.64 9.89 10 231.15 16.33 2 233.00 29.70
8 9 221.06 7.19 6 220.17 9.87 1 228.00 . . . . . . . . . .
10 1 255.00 . 7 255.00 11.09 9 260.17 22.60 1 241.50 . 9 274.11 14.72 9 261.56 17.09
11 . . . 1 208.00 . 15 222.43 10.05 1 233.00 . 1 254.00 . 17 225.56 16.12
12 8 214.06 5.26 8 212.38 4.96 . . . 10 210.35 8.76 10 213.15 5.32 . . .
13 11 249.68 23.60 11 239.05 22.17 8 264.13 21.19 . . . 1 241.50 . . . .
15 6 264.00 40.59 5 247.00 39.73 2 296.00 63.64 5 330.80 17.47 3 293.33 29.02 1 320.00 .
17 9 277.61 27.24 4 280.75 21.02 2 274.25 0.35 8 292.50 13.76 1 288.00 . . . .
18 4 214.75 15.63 4 230.50 11.56 5 233.30 12.14 3 209.83 10.75 2 224.50 9.90 3 224.50 11.17
19 3 235.33 13.01 6 246.50 8.80 5 273.70 27.67 1 278.00 . 1 272.50 . 2 277.00 4.24
21 6 224.08 19.80 6 226.00 14.75 5 245.40 29.03 11 233.73 22.90 2 234.25 41.37 8 228.00 33.36
22 1 274.50 . . . . . . . 1 282.00 . 5 289.70 45.44 3 278.17 13.55
23 1 301.50 . 2 288.25 15.91 1 281.00 . 6 330.00 15.86 3 310.00 28.83 1 320.00 .
25 2 204.00 4.24 6 213.25 20.66 . . . 2 212.00 1.41 1 210.00 . 1 234.00 .
26 6 291.25 20.62 3 257.50 38.46 1 331.00 . 3 313.67 21.22 3 287.17 16.54 1 335.00 .
                           
Sum/Mean 98 247.26   109 242.74   73 260.43   80 258.34   84 254.34   53 262.65  

PVT Table 4: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Mean 10% Fastest Response Times

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 217.61 9.66 4 245.79 11.70 5 228.43 16.47 3 233.54 12.21 . . . 1 206.80 .
2 3 196.43 4.58 2 189.78 9.59 . . . 3 197.30 5.87 8 199.74 7.05 1 201.67 .
4 11 195.58 3.83 9 194.77 7.07 . . . 8 198.25 7.19 8 192.98 6.02 . . .
5 4 188.13 4.24 9 187.97 5.80 10 189.50 6.09 3 191.26 8.37 7 186.30 9.35 3 196.47 3.83
6 3 227.26 16.15 7 211.34 10.98 1 193.70 . 4 220.03 8.43 9 208.20 10.00 . . .
7 8 195.81 6.44 9 195.41 6.94 3 207.81 7.19 7 189.63 6.94 10 186.92 11.39 2 184.14 18.02
8 9 187.55 5.25 6 183.81 6.11 1 200.89 . . . . . . . . . .
10 1 210.89 . 7 195.82 4.83 9 198.13 7.71 1 192.89 . 9 198.04 8.01 9 202.87 8.95
11 . . . 1 161.89 . 15 181.06 9.93 1 184.33 . 1 205.00 . 17 178.64 10.98
12 8 184.50 4.21 8 180.72 3.38 . . . 10 185.60 8.08 10 187.51 5.49 . . .
13 11 198.09 15.53 11 192.89 11.17 8 202.48 14.25 . . . 1 192.78 . . . .
15 6 200.60 23.99 5 194.17 20.87 2 210.86 17.87 5 222.97 21.46 3 222.20 19.16 1 249.78 .
17 9 224.79 17.99 4 223.31 17.76 2 219.52 1.52 8 233.72 8.20 1 235.67 . . . .
18 4 175.50 7.12 4 183.66 6.93 5 187.73 12.05 3 169.59 6.81 2 188.89 18.38 3 183.14 7.42
19 3 192.56 10.92 6 194.25 6.36 5 211.66 17.07 1 226.44 . 1 214.70 . 2 201.65 4.74
21 6 192.96 12.26 6 196.09 8.52 5 205.11 11.37 11 194.72 10.75 2 193.22 20.27 8 191.09 14.52
22 1 215.20 . . . . . . . 1 218.70 . 5 218.02 9.18 3 215.64 6.73
23 1 225.40 . 2 198.67 17.29 1 204.11 . 6 249.28 9.42 3 222.60 11.89 1 241.44 .
25 2 174.26 4.45 6 176.43 11.28 . . . 2 183.85 4.74 1 173.44 . 1 189.11 .
26 6 225.54 8.85 3 207.07 27.65 1 253.67 . 3 241.70 6.85 3 226.51 5.47 1 245.22 .
                                     
Sum/Mean 98 201.51   109 195.47   73 206.31   80 207.43   84 202.93   53 206.26  

PVT Table 5: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Mean 10% Slowest of Reciprocal Response Times

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 2.60 0.06 4 2.09 0.18 5 2.43 0.35 3 2.18 0.23 . . . 1 2.83 .
2 3 2.70 0.35 2 2.21 1.18 . . . 3 2.73 0.59 8 2.49 0.72 1 1.56 .
4 11 3.40 0.20 9 3.57 0.25 . . . 8 3.34 0.34 8 3.60 0.20 . . .
5 4 2.89 0.29 9 3.06 0.29 10 3.04 0.25 3 2.68 0.40 7 2.90 0.51 3 2.94 0.11
6 3 2.23 0.19 7 2.59 0.21 1 2.76 . 4 2.64 0.52 9 2.71 0.21 . . .
7 8 3.12 0.31 9 3.07 0.45 3 2.75 0.35 7 3.06 0.59 10 3.03 0.37 2 3.24 0.47
8 9 3.14 0.12 6 3.27 0.30 1 3.05 . . . . . . . . . .
10 1 1.96 . 7 2.19 0.29 9 2.00 0.42 1 2.16 . 9 1.95 0.20 9 2.18 0.27
11 . . . 1 3.09 . 15 2.82 0.39 1 3.10 . 1 1.58 . 17 2.77 0.37
12 8 3.48 0.25 8 3.58 0.33 . . . 10 3.55 0.34 10 3.57 0.27 . . .
13 11 2.75 0.50 11 2.95 0.54 8 2.52 0.25 . . . 1 2.14 . . . .
15 6 1.78 0.88 5 2.69 0.80 2 1.56 1.10 5 0.88 0.19 3 1.82 0.59 1 1.99 .
17 9 2.08 0.53 4 2.29 0.56 2 2.41 0.30 8 1.88 0.40 1 1.89 . . . .
18 4 3.05 0.50 4 2.80 0.30 5 2.96 0.67 3 2.80 1.09 2 3.22 0.59 3 2.39 0.43
19 3 2.90 0.37 6 2.98 0.27 5 2.58 0.73 1 1.53 . 1 2.36 . 2 2.68 0.06
21 6 3.42 0.40 6 3.28 0.43 5 2.70 0.35 11 3.09 0.37 2 3.23 0.74 8 3.23 0.67
22 1 2.54 . . . . . . . 1 2.20 . 5 2.11 0.68 3 2.37 0.09
23 1 2.24 . 2 1.87 0.38 1 2.15 . 6 1.33 0.28 3 1.75 0.53 1 1.23 .
25 2 3.56 0.59 6 3.17 0.69 . . . 2 3.30 0.05 1 3.67 . 1 2.97 .
26 6 1.97 0.52 3 2.37 0.20 1 1.30 . 3 1.12 0.44 3 1.75 0.06 1 1.36 .
                           
Sum/Mean 98 2.73   109 2.80   73 2.47   80 2.42   84 2.54   53 2.41  

PVT Table 6: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Total Response Errors

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 1.50 2.12 4 5.00 5.83 5 5.00 10.07 3 3.00 2.65 . . . 1 0.00 .
2 3 3.00 2.65 2 10.00 7.07 . . . 3 3.67 2.31 8 4.75 1.67 1 3.00 .
4 11 0.45 0.69 9 0.33 0.50 . . . 8 0.13 0.35 8 0.25 0.46 . . .
5 4 2.75 1.50 9 5.00 4.00 10 3.90 3.60 3 8.33 4.73 7 6.14 3.80 3 3.67 1.15
6 3 1.67 1.15 7 0.86 0.69 1 1.00 . 4 0.50 0.58 9 1.33 1.00 . . .
7 8 0.75 0.71 9 1.56 2.19 3 0.67 1.15 7 1.57 1.40 10 1.60 1.84 2 4.00 1.41
8 9 1.11 0.93 6 3.00 1.10 1 0.00 . . . . . . . . . .
10 1 0.00 . 7 2.14 0.90 9 2.56 2.24 1 4.00 . 9 4.33 1.87 9 3.00 1.41
11 . . . 1 4.00 . 15 1.80 1.01 1 4.00 . 1 5.00 . 17 1.88 1.62
12 8 0.50 0.76 8 0.38 0.52 . . . 10 0.40 0.70 10 0.30 0.48 . . .
13 11 1.18 0.98 11 1.18 1.60 8 1.25 1.04 . . . 1 0.00 . . . .
15 6 1.17 0.98 5 3.40 1.82 2 1.50 2.12 5 1.60 1.82 3 3.00 2.00 1 0.00 .
17 9 2.00 4.53 4 0.50 0.58 2 0.50 0.71 8 0.38 0.74 1 0.00 . . . .
18 4 4.00 1.41 4 3.25 2.22 5 4.00 1.87 3 12.67 10.79 2 4.00 1.41 3 4.33 2.08
19 3 7.00 3.00 6 8.17 4.22 5 7.40 8.88 1 10.00 . 1 4.00 . 2 5.00 2.83
21 6 0.67 1.21 6 0.50 0.84 5 0.80 0.84 11 0.55 0.93 2 0.50 0.71 8 0.25 0.46
22 1 0.00 . . . . . . . 1 2.00 . 5 0.40 0.55 3 1.00 0.00
23 1 3.00 . 2 21.50 23.33 1 12.00 . 6 4.50 3.62 3 7.00 5.20 1 12.00 .
25 2 8.50 3.54 6 9.17 6.62 . . . 2 2.00 0.00 1 3.00 . 1 1.00 .
26 6 1.17 1.47 3 5.33 4.16 1 0.00 . 3 2.00 2.00 3 1.67 1.53 1 1.00 .
                                     
Sum/Mean 98 2.13   109 4.49   73 2.82   80 3.40   84 2.63   53 2.87  

PVT Table 7: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: PVT Slope of the Reciprocal Response Time Curve

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 -0.041 0.017 4 0.007 0.047 5 -0.014 0.019 3 -0.014 0.011 . . . 1 0.050 .
2 3 -0.084 0.011 2 -0.101 0.067 . . . 3 -0.053 0.028 8 -0.060 0.069 1 -0.084 .
4 11 -0.039 0.036 9 -0.045 0.032 . . . 8 -0.067 0.022 8 -0.044 0.035 . . .
5 4 -0.040 0.049 9 -0.030 0.030 10 -0.043 0.017 3 -0.032 0.028 7 -0.003 0.068 3 -0.007 0.024
6 3 0.006 0.071 7 -0.013 0.042 1 -0.055 . 4 -0.034 0.040 9 0.000 0.040 . . .
7 8 -0.016 0.048 9 -0.032 0.027 3 -0.038 0.029 7 -0.038 0.038 10 -0.049 0.047 2 -0.086 0.031
8 9 0.003 0.030 6 -0.001 0.025 1 0.028 . . . . . . . . . .
10 1 0.060 . 7 -0.007 0.040 9 -0.011 0.021 1 -0.002 . 9 -0.054 0.058 9 -0.020 0.034
11 . . . 1 -0.027 . 15 -0.027 0.045 1 -0.069 . 1 0.058 . 17 -0.039 0.045
12 8 -0.044 0.015 8 -0.029 0.031 . . . 10 -0.022 0.044 10 -0.018 0.028 . . .
13 11 -0.056 0.050 11 0.000 0.053 8 -0.017 0.040 . . . 1 -0.080 . . . .
15 6 -0.064 0.108 5 -0.035 0.049 2 0.001 0.056 5 -0.057 0.133 3 -0.054 0.026 1 0.031 .
17 9 -0.015 0.053 4 -0.072 0.020 2 -0.071 0.039 8 -0.036 0.021 1 -0.010 . . . .
18 4 -0.015 0.044 4 -0.010 0.038 5 -0.083 0.027 3 -0.078 0.132 2 -0.028 0.007 3 -0.097 0.058
19 3 -0.035 0.060 6 -0.057 0.065 5 -0.091 0.026 1 -0.008 . 1 -0.093 . 2 -0.087 0.098
21 6 -0.059 0.016 6 -0.024 0.050 5 -0.049 0.039 11 -0.035 0.053 2 -0.049 0.013 8 -0.052 0.028
22 1 -0.076 . . . . . . . 1 -0.044 . 5 -0.064 0.044 3 -0.009 0.021
23 1 -0.033 . 2 0.025 0.030 1 -0.030 . 6 -0.003 0.084 3 0.014 0.043 1 0.045 .
25 2 -0.021 0.010 6 -0.056 0.076 . . . 2 -0.005 0.030 1 -0.031 . 1 -0.125 .
26 6 -0.034 0.053 3 -0.052 0.050 1 -0.141 . 3 -0.089 0.077 3 -0.117 0.023 1 -0.080 .
                                     
Sum/Mean 98 -0.032   109 -0.029   73 -0.043   80 -0.038   84 -0.038   53 -0.040  

PVT Table 8: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Grand Mean Response Time

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 278.51 11.70 4 328.94 28.12 5 300.91 22.79 3 306.51 12.07 . . . 1 263.57 .
2 3 254.41 12.81 2 275.77 59.26 . . . 3 256.17 18.63 8 267.75 27.00 1 296.98 .
4 11 232.50 5.14 9 229.28 9.26 . . . 8 238.85 12.49 8 227.99 7.80 . . .
5 4 237.77 4.42 9 232.35 4.88 10 234.09 9.98 3 246.63 18.32 7 241.23 20.59 3 244.55 4.40
6 3 307.04 16.78 7 275.92 13.32 1 252.06 . 4 279.07 22.69 9 271.49 14.32 . . .
7 8 238.28 11.17 9 242.66 13.66 3 259.93 19.46 7 240.11 17.81 10 242.24 16.84 2 237.78 32.71
8 9 230.98 7.80 6 227.87 10.49 1 239.45 . . . . . . . . . .
10 1 315.30 . 7 281.00 13.74 9 297.73 33.03 1 281.82 . 9 300.81 12.46 9 286.29 21.65
11 . . . 1 219.73 . 15 239.23 14.76 1 239.57 . 1 305.42 . 17 242.36 22.87
12 8 221.20 6.94 8 218.92 8.38 . . . 10 219.00 12.46 10 220.29 7.83 . . .
13 11 261.03 27.55 11 250.45 25.96 8 275.07 22.30 . . . 1 265.85 . . . .
15 6 320.28 78.22 5 264.68 49.18 2 367.56 138.76 5 453.08 46.25 3 339.42 34.07 1 341.23 .
17 9 308.97 37.35 4 301.59 32.48 2 289.59 7.71 8 325.33 24.15 1 319.22 . . . .
18 4 228.30 17.63 4 244.86 10.94 5 245.54 27.85 3 238.94 42.96 2 236.56 21.09 3 256.49 13.98
19 3 246.79 19.18 6 253.43 10.67 5 283.84 39.50 1 325.34 . 1 286.35 . 2 277.38 2.91
21 6 230.74 19.99 6 234.93 17.17 5 260.15 27.86 11 241.93 22.46 2 240.60 42.86 8 237.04 36.19
22 1 286.56 . . . . . . . 1 319.48 . 5 322.65 72.77 3 289.51 13.85
23 1 312.20 . 2 316.96 30.70 1 295.10 . 6 389.52 28.75 3 341.87 49.11 1 496.62 .
25 2 211.22 2.25 6 227.91 32.84 . . . 2 222.44 0.41 1 212.19 . 1 243.67 .
26 6 322.65 35.79 3 279.76 36.02 1 421.55 . 3 409.65 75.51 3 331.82 9.39 1 392.17 .
                                     
Sum/Mean 98 265.51   109 258.26   73 284.12   80 290.75   84 276.32   53 293.26  

PVT Table 9: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Standard Deviation of Response Times

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 51.22 1.97 4 78.47 17.34 5 63.03 22.08 3 75.93 23.52 . . . 1 55.02 .
2 3 85.42 26.49 2 155.73 157.72 . . . 3 63.55 43.19 8 96.41 65.17 1 160.26 .
4 11 40.90 21.70 9 30.92 11.50 . . . 8 40.44 24.47 8 27.36 6.65 . . .
5 4 62.57 36.18 9 45.00 11.80 10 43.11 8.37 3 88.37 32.90 7 68.72 60.36 3 50.00 8.51
6 3 95.85 35.92 7 65.24 21.30 1 60.32 . 4 57.71 34.12 9 54.91 21.53 . . .
7 8 50.44 16.27 9 66.47 50.96 3 56.20 9.98 7 58.39 43.38 10 64.81 45.12 2 38.60 8.22
8 9 39.36 3.19 6 37.15 7.37 1 39.54 . . . . . . . . . .
10 1 268.30 . 7 110.31 57.41 9 151.90 69.27 1 150.30 . 9 106.34 30.55 9 102.41 43.01
11 . . . 1 79.78 . 15 71.89 27.98 1 39.14 . 1 170.49 . 17 71.13 27.71
12 8 32.90 6.86 8 35.79 25.38 . . . 10 41.90 23.59 10 28.28 7.54 . . .
13 11 55.51 20.89 11 51.93 34.38 8 59.72 8.04 . . . 1 96.80 . . . .
15 6 200.03 116.78 5 63.10 36.74 2 204.81 188.78 5 354.30 110.91 3 213.53 169.21 1 108.65 .
17 9 129.78 73.75 4 90.12 52.41 2 78.27 42.13 8 138.51 51.78 1 100.94 . . . .
18 4 53.96 16.96 4 70.87 36.38 5 67.99 55.85 3 113.17 113.53 2 61.29 45.62 3 144.81 77.43
19 3 48.41 13.41 6 42.32 9.64 5 62.73 36.09 1 160.49 . 1 68.57 . 2 49.19 6.77
21 6 32.87 10.56 6 42.44 15.89 5 53.90 14.68 11 41.96 12.15 2 36.12 15.63 8 39.91 17.83
22 1 58.61 . . . . . . . 1 265.97 . 5 168.42 133.48 3 78.13 19.93
23 1 63.82 . 2 150.23 78.07 1 80.84 . 6 195.42 56.70 3 143.51 83.48 1 1149.95 .
25 2 33.59 16.60 6 70.30 69.38 . . . 2 36.40 1.89 1 28.59 . 1 47.62 .
26 6 126.93 61.23 3 98.06 20.86 1 352.84 . 3 333.30 172.39 3 167.73 98.79 1 158.46 .
                                     
Sum/Mean 98 80.55   109 72.85   73 96.47   80 125.29   84 94.60   53 161.01  

PVT Table 10: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Distribution Asymmetry

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 0.167 0.013 4 0.177 0.085 5 0.133 0.055 3 0.220 0.057 . . . 1 0.138 .
2 3 0.229 0.086 2 0.264 0.023 . . . 3 0.227 0.054 8 0.205 0.083 1 0.281 .
4 11 0.160 0.052 9 0.154 0.052 . . . 8 0.125 0.038 8 0.127 0.049 . . .
5 4 0.247 0.049 9 0.253 0.079 10 0.278 0.065 3 0.249 0.003 7 0.248 0.070 3 0.245 0.042
6 3 0.198 0.043 7 0.209 0.037 1 0.266 . 4 0.197 0.071 9 0.182 0.065 . . .
7 8 0.191 0.044 9 0.193 0.051 3 0.221 0.071 7 0.176 0.042 10 0.164 0.040 2 0.119 0.053
8 9 0.250 0.037 6 0.202 0.077 1 0.290 . . . . . . . . . .
10 1 0.225 . 7 0.243 0.055 9 0.254 0.049 1 0.268 . 9 0.247 0.056 9 0.235 0.072
11 . . . 1 0.147 . 15 0.224 0.070 1 0.168 . 1 0.302 . 17 0.235 0.061
12 8 0.211 0.067 8 0.179 0.056 . . . 10 0.217 0.060 10 0.240 0.069 . . .
13 11 0.197 0.076 11 0.196 0.115 8 0.182 0.086 . . . 1 0.252 . . . .
15 6 0.253 0.062 5 0.260 0.064 2 0.314 0.078 5 0.341 0.066 3 0.199 0.032 1 0.195 .
17 9 0.230 0.060 4 0.221 0.028 2 0.197 0.003 8 0.228 0.054 1 0.309 . . . .
18 4 0.234 0.083 4 0.209 0.110 5 0.121 0.125 3 0.237 0.054 2 0.178 0.049 3 0.210 0.030
19 3 0.225 0.064 6 0.158 0.090 5 0.097 0.162 1 0.295 . 1 0.202 . 2 0.010 0.028
21 6 0.202 0.060 6 0.219 0.080 5 0.281 0.075 11 0.200 0.088 2 0.184 0.038 8 0.234 0.050
22 1 0.206 . . . . . . . 1 0.141 . 5 0.192 0.043 3 0.137 0.058
23 1 0.168 . 2 0.192 0.001 1 0.174 . 6 0.301 0.036 3 0.203 0.080 1 0.154 .
25 2 0.191 0.100 6 0.221 0.049 . . . 2 0.286 0.013 1 0.077 . 1 0.203 .
26 6 0.229 0.072 3 0.234 0.068 1 0.257 . 3 0.279 0.049 3 0.285 0.066 1 0.361 .
                                     
Sum/Mean 98 0.211   109 0.207   73 0.219   80 0.231   84 0.211   53 0.197  

PVT Table 11: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: No R for 30s

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 0.00 0.00 4 0.00 0.00 5 0.00 0.00 3 0.00 0.00 . . . 1 0.00 .
2 3 0.00 0.00 2 0.00 0.00 . . . 3 0.00 0.00 8 0.00 0.00 1 0.00 .
4 11 0.00 0.00 9 0.00 0.00 . . . 8 0.00 0.00 8 0.00 0.00 . . .
5 4 0.00 0.00 9 0.00 0.00 10 0.00 0.00 3 0.00 0.00 7 0.00 0.00 3 0.00 0.00
6 3 0.00 0.00 7 0.00 0.00 1 0.00 . 4 0.00 0.00 9 0.00 0.00 . . .
7 8 0.00 0.00 9 0.00 0.00 3 0.00 0.00 7 0.00 0.00 10 0.00 0.00 2 0.00 0.00
8 9 0.00 0.00 6 0.00 0.00 1 0.00 . . . . . . . . . .
10 1 0.00 . 7 0.00 0.00 9 0.00 0.00 1 0.00 . 9 0.00 0.00 9 0.00 0.00
11 . . . 1 0.00 . 15 0.00 0.00 1 0.00 . 1 0.00 . 17 0.00 0.00
12 8 0.00 0.00 8 0.00 0.00 . . . 10 0.00 0.00 10 0.00 0.00 . . .
13 11 0.00 0.00 11 0.00 0.00 8 0.00 0.00 . . . 1 0.00 . . . .
15 6 0.00 0.00 5 0.00 0.00 2 0.00 0.00 5 0.00 0.00 3 0.00 0.00 1 0.00 .
17 9 0.00 0.00 4 0.00 0.00 2 0.00 0.00 8 0.00 0.00 1 0.00 . . . .
18 4 0.00 0.00 4 0.00 0.00 5 0.00 0.00 3 0.00 0.00 2 0.00 0.00 3 0.00 0.00
19 3 0.00 0.00 6 0.00 0.00 5 0.00 0.00 1 0.00 . 1 0.00 . 2 0.00 0.00
21 6 0.00 0.00 6 0.00 0.00 5 0.00 0.00 11 0.00 0.00 2 0.00 0.00 8 0.00 0.00
22 1 0.00 . . . . . . . 1 0.00 . 5 0.00 0.00 3 0.00 0.00
23 1 0.00 . 2 0.00 0.00 1 0.00 . 6 0.00 0.00 3 0.00 0.00 1 0.00 .
25 2 0.00 0.00 6 0.00 0.00 . . . 2 0.00 0.00 1 0.00 . 1 0.00 .
26 6 0.00 0.00 3 0.00 0.00 1 0.00 . 3 0.00 0.00 3 0.00 0.00 1 0.00 .
                                     
Sum/Mean 98 0.00   109 0.00   73 0.00   80 0.00   84 0.00   53 0.00  

PVT Table 12: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Post PVT Subjective Sleepiness VAS

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 7.00 0.00 4 5.25 6.65 5 10.20 2.49 3 8.33 0.58 . . . 1 8.00 .
2 3 8.00 5.29 2 8.50 2.12 . . . 3 7.33 6.81 8 6.25 4.43 1 6.00 .
4 11 8.00 4.73 9 9.33 5.61 . . . 8 9.88 3.91 8 7.38 2.62 . . .
5 4 6.00 0.00 9 5.89 0.78 10 6.00 0.00 3 4.00 3.46 7 3.00 1.41 3 2.33 0.58
6 3 12.00 3.00 7 6.57 4.08 1 6.00 . 4 9.00 0.82 9 7.22 3.11 . . .
7 8 4.00 2.33 9 5.67 2.06 3 9.00 0.00 7 4.43 2.51 10 7.10 2.13 2 9.50 0.71
8 9 3.44 1.42 6 6.83 1.72 1 8.00 . . . . . . . . . .
10 1 1.00 . 7 8.57 0.53 9 5.89 0.33 1 6.00 . 9 8.33 2.83 9 6.00 0.00
11 . . . 1 5.00 . 15 6.00 1.46 1 5.00 . 1 5.00 . 17 5.29 1.49
12 8 6.38 1.51 8 4.50 2.78 . . . 10 6.50 1.27 10 6.50 0.71 . . .
13 11 4.82 1.54 11 5.36 1.36 8 8.88 0.99 . . . 1 4.00 . . . .
15 6 5.00 2.37 5 7.80 2.77 2 9.00 1.41 5 3.60 1.52 3 5.67 1.53 1 10.00 .
17 9 0.56 0.73 4 3.25 3.77 2 0.00 0.00 8 0.00 0.00 1 0.00 . . . .
18 4 3.25 2.75 4 6.75 0.96 5 6.00 0.71 3 2.33 3.21 2 4.00 2.83 3 3.33 3.06
19 3 7.00 5.20 6 7.67 1.63 5 10.00 0.00 1 6.00 . 1 6.00 . 2 8.00 2.83
21 6 5.67 2.73 6 5.33 2.80 5 6.20 2.77 11 7.36 2.11 2 6.50 0.71 8 5.38 2.83
22 1 8.00 . . . . . . . 1 8.00 . 5 8.00 1.41 3 6.67 0.58
23 1 7.00 . 2 7.50 2.12 1 10.00 . 6 6.67 3.44 3 8.67 1.53 1 10.00 .
25 2 2.50 0.71 6 7.50 2.17 . . . 2 1.00 0.00 1 6.00 . 1 10.00 .
26 6 7.83 2.93 3 7.67 1.53 1 10.00 . 3 7.67 4.04 3 6.67 3.51 1 8.00 .
                                     
Sum/Mean 98 5.65   109 6.58   73 7.41   80 5.73   84 5.90   53 7.04  

PVT Table 13: Descriptive Statistics by Driver, Time of Day, and Condition
For PVT Response Variables: Pre PVT Subjective Sleepiness VAS

  No Feedback Feedback
  Day Evening Night Day Evening Night
Driver N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD N Mean SD
1 2 10.50 4.95 4 8.00 5.23 5 7.60 3.51 3 6.33 6.81 . . . 1 9.00 .
2 3 12.33 2.08 2 7.00 5.66 . . . 3 12.00 0.00 8 8.63 5.95 1 0.00 .
4 11 12.55 1.04 9 10.00 5.00 . . . 8 13.00 1.20 8 10.38 3.85 . . .
5 4 6.25 2.50 9 5.44 2.83 10 5.80 2.66 3 2.33 0.58 7 2.57 0.53 3 2.00 0.00
6 3 6.67 3.21 7 6.29 3.30 1 15.00 . 4 7.00 0.82 9 5.89 3.06 . . .
7 8 3.25 1.91 9 5.78 2.11 3 8.67 0.58 7 4.43 2.51 10 6.60 1.78 2 9.50 0.71
8 9 3.00 0.50 6 6.17 1.83 1 8.00 . . . . . . . . . .
10 1 1.00 . 7 8.57 0.53 9 5.89 0.60 1 6.00 . 9 9.00 0.87 9 6.00 0.00
11 . . . 1 3.00 . 15 4.53 1.68 1 5.00 . 1 4.00 . 17 4.53 1.18
12 8 3.75 2.05 8 5.00 2.20 . . . 10 4.30 2.06 10 4.90 1.60 . . .
13 11 4.18 1.33 11 5.18 1.33 8 8.13 0.83 . . . 1 4.00 . . . .
15 6 5.17 2.32 5 7.60 2.07 2 9.00 1.41 5 4.00 1.41 3 5.33 2.08 1 1.00 .
17 9 1.00 1.94 4 0.50 0.58 2 0.00 0.00 8 0.00 0.00 1 0.00 . . . .
18 4 2.00 1.63 4 4.75 2.06 5 7.00 1.00 3 1.00 1.00 2 3.00 1.41 3 2.00 1.73
19 3 6.67 4.93 6 7.50 1.52 5 8.60 1.14 1 6.00 . 1 6.00 . 2 8.00 2.83
21 6 5.00 2.28 6 4.67 2.80 5 5.80 2.95 11 6.91 2.17 2 5.00 2.83 8 5.25 2.55
22 1 8.00 . . . . . . . 1 4.00 . 5 6.60 1.34 3 6.33 0.58
23 1 7.00 . 2 8.00 1.41 1 9.00 . 6 7.50 1.05 3 7.67 2.08 1 6.00 .
25 2 2.00 0.00 6 7.83 2.04 . . . 2 1.00 0.00 1 6.00 . 1 10.00 .
26 6 6.00 4.15 3 6.33 0.58 1 10.00 . 3 9.00 1.00 3 3.33 2.52 1 6.00 .
                           
Sum/Mean 98 5.60   109 6.19   73 7.53   80 5.54   84 5.49   53 5.40  

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