|
Appendix D-2
U.S. Study Phase 2 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 |
|---|
| 31 | 1 | 1.00 | . | 1 | 0.00 | . | 17 | 0.24 | 0.44 | . | . | . | . | . | . | 16 | 0.06 | 0.25 |
|---|
| 32 | 2 | 2.50 | 0.71 | 1 | 2.00 | . | 15 | 2.27 | 2.19 | 2 | 5.50 | 3.54 | . | . | . | 18 | 4.33 | 3.41 |
|---|
| 33 | 2 | 1.00 | 0.00 | 1 | 0.00 | . | 16 | 0.50 | 0.63 | 1 | 0.00 | . | . | . | . | 19 | 0.37 | 0.68 |
|---|
| 34 | . | . | . | 1 | 1.00 | . | 15 | 1.13 | 1.88 | . | . | . | . | . | . | 17 | 7.53 | 6.93 |
|---|
| 35 | 2 | 1.50 | 2.12 | . | . | . | 18 | 0.44 | 0.62 | . | . | . | . | . | . | 17 | 5.53 | 5.42 |
|---|
| 36 | 1 | 6.00 | . | . | . | . | 18 | 3.61 | 3.84 | . | . | . | . | . | . | 18 | 3.28 | 2.72 |
|---|
| 37 | . | . | . | . | . | . | 20 | 0.85 | 1.04 | . | . | . | 1 | 3.00 | . | 17 | 1.65 | 1.00 |
|---|
| 38 | 1 | 3.00 | . | . | . | . | 18 | 4.06 | 4.22 | . | . | . | . | . | . | 18 | 3.06 | 2.55 |
|---|
| 39 | 8 | 1.75 | 2.05 | 3 | 0.00 | 0.00 | 9 | 2.11 | 4.40 | 9 | 2.11 | 2.03 | 1 | 0.00 | . | 8 | 0.00 | 0.00 |
|---|
| 40 | 7 | 8.71 | 5.06 | 3 | 0.67 | 1.15 | 9 | 12.67 | 13.42 | 8 | 12.25 | 5.34 | 1 | 18.00 | . | 10 | 19.60 | 10.67 |
|---|
| 41 | 5 | 5.60 | 8.17 | 1 | 2.00 | . | 13 | 7.62 | 8.53 | 4 | 16.75 | 22.54 | . | . | . | 8 | 6.38 | 10.38 |
|---|
| 42 | 8 | 6.63 | 4.34 | 1 | 1.00 | . | 10 | 2.50 | 3.27 | 8 | 7.25 | 7.85 | . | . | . | 8 | 2.75 | 1.91 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 3.77 | | 12 | 0.83 | | 178 | 3.17 | | 32 | 7.31 | | 3 | 7.00 | | 174 | 4.54 | |
|---|
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 |
|---|
| 31 | 1 | 2.41 | . | 1 | 1.00 | . | 17 | 1.33 | 0.62 | . | . | . | . | . | . | 16 | 1.09 | 0.35 |
|---|
| 32 | 2 | 3.44 | 0.41 | 1 | 3.15 | . | 15 | 2.95 | 1.47 | 2 | 4.78 | 1.48 | . | . | . | 18 | 4.12 | 1.53 |
|---|
| 33 | 2 | 2.41 | 0.00 | 1 | 1.00 | . | 16 | 1.66 | 0.80 | 1 | 1.00 | . | . | . | . | 19 | 1.45 | 0.80 |
|---|
| 34 | . | . | . | 1 | 2.41 | . | 15 | 2.05 | 1.37 | . | . | . | . | . | . | 17 | 5.20 | 2.30 |
|---|
| 35 | 2 | 2.37 | 1.93 | . | . | . | 18 | 1.59 | 0.78 | . | . | . | . | . | . | 17 | 4.19 | 2.58 |
|---|
| 36 | 1 | 5.10 | . | . | . | . | 18 | 3.53 | 1.98 | . | . | . | . | . | . | 18 | 3.57 | 1.53 |
|---|
| 37 | . | . | . | . | . | . | 20 | 1.95 | 1.04 | . | . | . | 1 | 3.73 | . | 17 | 2.77 | 0.85 |
|---|
| 38 | 1 | 3.73 | . | . | . | . | 18 | 3.82 | 1.91 | . | . | . | . | . | . | 18 | 3.43 | 1.53 |
|---|
| 39 | 8 | 2.57 | 1.50 | 3 | 1.00 | 0.00 | 9 | 2.27 | 2.27 | 9 | 2.89 | 1.42 | 1 | 1.00 | . | 8 | 1.00 | 0.00 |
|---|
| 40 | 7 | 5.81 | 1.88 | 3 | 1.72 | 1.24 | 9 | 5.86 | 4.50 | 8 | 7.00 | 1.50 | 1 | 8.60 | . | 10 | 8.63 | 2.57 |
|---|
| 41 | 5 | 4.12 | 3.00 | 1 | 3.15 | . | 13 | 4.79 | 3.16 | 4 | 7.02 | 5.11 | . | . | . | 8 | 4.07 | 3.47 |
|---|
| 42 | 8 | 5.11 | 1.64 | 1 | 2.41 | . | 10 | 3.06 | 1.64 | 8 | 4.62 | 3.27 | . | . | . | 8 | 3.47 | 0.98 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 3.71 | | 12 | 1.98 | | 178 | 2.90 | | 32 | 4.55 | | 3 | 4.44 | | 174 | 3.58 | |
|---|
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 |
|---|
| 31 | 1 | 236.00 | . | 1 | 247.50 | . | 17 | 234.88 | 7.58 | . | . | . | . | . | . | 16 | 229.53 | 6.97 |
|---|
| 32 | 2 | 253.50 | 1.41 | 1 | 276.00 | . | 15 | 257.73 | 15.76 | 2 | 283.25 | 11.67 | . | . | . | 18 | 277.92 | 18.50 |
|---|
| 33 | 2 | 257.50 | 7.78 | 1 | 253.00 | . | 16 | 247.50 | 12.01 | 1 | 248.50 | . | . | . | . | 19 | 241.97 | 9.71 |
|---|
| 34 | . | . | . | 1 | 227.00 | . | 15 | 223.47 | 11.74 | . | . | . | . | . | . | 17 | 270.09 | 34.16 |
|---|
| 35 | 2 | 290.25 | 33.59 | . | . | . | 18 | 256.33 | 19.11 | . | . | . | . | . | . | 17 | 298.79 | 17.68 |
|---|
| 36 | 1 | 320.00 | . | . | . | . | 18 | 252.64 | 23.22 | . | . | . | . | . | . | 18 | 262.25 | 24.92 |
|---|
| 37 | . | . | . | . | . | . | 20 | 227.83 | 12.64 | . | . | . | 1 | 233.50 | . | 17 | 232.82 | 14.01 |
|---|
| 38 | 1 | 272.00 | . | . | . | . | 18 | 252.36 | 26.74 | . | . | . | . | . | . | 18 | 256.89 | 17.80 |
|---|
| 39 | 8 | 257.19 | 12.01 | 3 | 214.67 | 2.31 | 9 | 239.39 | 21.20 | 9 | 266.06 | 20.54 | 1 | 209.00 | . | 8 | 230.19 | 10.16 |
|---|
| 40 | 7 | 262.43 | 16.43 | 3 | 218.33 | 1.04 | 9 | 271.39 | 59.31 | 8 | 285.88 | 21.03 | 1 | 327.00 | . | 10 | 318.50 | 33.31 |
|---|
| 41 | 5 | 236.00 | 34.15 | 1 | 231.00 | . | 13 | 255.85 | 50.51 | 4 | 315.00 | 158.47 | . | . | . | 8 | 247.38 | 51.06 |
|---|
| 42 | 8 | 246.50 | 29.46 | 1 | 202.00 | . | 10 | 204.00 | 11.12 | 8 | 257.94 | 40.41 | . | . | . | 8 | 223.19 | 18.40 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 263.14 | | 12 | 233.69 | | 178 | 243.61 | | 32 | 276.10 | | 3 | 256.50 | | 174 | 257.46 | |
|---|
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 |
|---|
| 31 | 1 | 199.20 | . | 1 | 208.90 | . | 17 | 198.46 | 3.79 | . | . | . | . | . | . | 16 | 197.08 | 5.92 |
|---|
| 32 | 2 | 199.45 | 9.26 | 1 | 209.56 | . | 15 | 198.82 | 10.95 | 2 | 211.37 | 5.61 | . | . | . | 18 | 211.15 | 10.75 |
|---|
| 33 | 2 | 215.34 | 3.92 | 1 | 214.50 | . | 16 | 202.91 | 9.92 | 1 | 208.60 | . | . | . | . | 19 | 198.74 | 7.51 |
|---|
| 34 | . | . | . | 1 | 173.33 | . | 15 | 182.47 | 7.01 | . | . | . | . | . | . | 17 | 201.25 | 14.56 |
|---|
| 35 | 2 | 232.78 | 16.66 | . | . | . | 18 | 212.54 | 13.66 | . | . | . | . | . | . | 17 | 229.71 | 14.38 |
|---|
| 36 | 1 | 205.33 | . | . | . | . | 18 | 198.64 | 9.44 | . | . | . | . | . | . | 18 | 205.03 | 12.64 |
|---|
| 37 | . | . | . | . | . | . | 20 | 183.58 | 7.57 | . | . | . | 1 | 181.90 | . | 17 | 183.38 | 5.91 |
|---|
| 38 | 1 | 215.80 | . | . | . | . | 18 | 191.60 | 14.94 | . | . | . | . | . | . | 18 | 197.11 | 12.54 |
|---|
| 39 | 8 | 198.30 | 8.45 | 3 | 175.90 | 0.75 | 9 | 186.68 | 14.75 | 9 | 202.97 | 13.55 | 1 | 169.30 | . | 8 | 186.55 | 5.76 |
|---|
| 40 | 7 | 192.33 | 6.88 | 3 | 179.39 | 5.88 | 9 | 191.97 | 19.04 | 8 | 200.58 | 9.61 | 1 | 203.80 | . | 10 | 197.27 | 16.02 |
|---|
| 41 | 5 | 172.17 | 14.77 | 1 | 153.60 | . | 13 | 170.88 | 13.11 | 4 | 170.33 | 12.40 | . | . | . | 8 | 166.83 | 11.69 |
|---|
| 42 | 8 | 185.81 | 14.13 | 1 | 162.20 | . | 10 | 164.06 | 7.12 | 8 | 183.59 | 22.25 | . | . | . | 8 | 160.10 | 8.59 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 201.65 | | 12 | 184.67 | | 178 | 190.22 | | 32 | 196.24 | | 3 | 185.00 | | 174 | 194.52 | |
|---|
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 |
|---|
| 31 | 1 | 3.04 | . | 1 | 2.67 | . | 17 | 3.14 | 0.29 | . | . | . | . | . | . | 16 | 3.33 | 0.23 |
|---|
| 32 | 2 | 2.38 | 0.15 | 1 | 2.20 | . | 15 | 2.36 | 0.44 | 2 | 1.78 | 0.35 | . | . | . | 18 | 1.97 | 0.36 |
|---|
| 33 | 2 | 2.42 | 0.12 | 1 | 2.72 | . | 16 | 2.62 | 0.20 | 1 | 2.66 | . | . | . | . | 19 | 2.80 | 0.27 |
|---|
| 34 | . | . | . | 1 | 3.00 | . | 15 | 3.03 | 0.53 | . | . | . | . | . | . | 17 | 1.73 | 0.64 |
|---|
| 35 | 2 | 2.54 | 0.74 | . | . | . | 18 | 2.91 | 0.32 | . | . | . | . | . | . | 17 | 1.88 | 0.67 |
|---|
| 36 | 1 | 1.72 | . | . | . | . | 18 | 2.27 | 0.48 | . | . | . | . | . | . | 18 | 2.22 | 0.48 |
|---|
| 37 | . | . | . | . | . | . | 20 | 2.90 | 0.35 | . | . | . | 1 | 2.54 | . | 17 | 2.62 | 0.27 |
|---|
| 38 | 1 | 2.16 | . | . | . | . | 18 | 2.15 | 0.60 | . | . | . | . | . | . | 18 | 2.19 | 0.48 |
|---|
| 39 | 8 | 2.50 | 0.47 | 3 | 3.23 | 0.14 | 9 | 2.74 | 0.80 | 9 | 2.34 | 0.54 | 1 | 3.32 | . | 8 | 3.11 | 0.15 |
|---|
| 40 | 7 | 1.34 | 0.71 | 3 | 3.04 | 0.43 | 9 | 1.59 | 1.35 | 8 | 0.58 | 0.38 | 1 | 0.76 | . | 10 | 1.11 | 0.38 |
|---|
| 41 | 5 | 2.42 | 1.15 | 1 | 2.74 | . | 13 | 2.07 | 1.05 | 4 | 1.64 | 1.11 | . | . | . | 8 | 2.30 | 1.06 |
|---|
| 42 | 8 | 1.91 | 0.43 | 1 | 3.45 | . | 10 | 2.74 | 0.68 | 8 | 1.94 | 0.63 | . | . | . | 8 | 2.27 | 0.22 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 2.24 | | 12 | 2.88 | | 178 | 2.54 | | 32 | 1.82 | | 3 | 2.21 | | 174 | 2.29 | |
|---|
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 |
|---|
| 31 | 1 | 4.00 | . | 1 | 0.00 | . | 17 | 0.88 | 1.22 | . | . | . | . | . | . | 16 | 0.50 | 0.63 |
|---|
| 32 | 2 | 2.50 | 2.12 | 1 | 0.00 | . | 15 | 2.93 | 2.55 | 2 | 5.00 | 1.41 | . | . | . | 18 | 4.89 | 3.31 |
|---|
| 33 | 2 | 1.00 | 0.00 | 1 | 1.00 | . | 16 | 1.38 | 1.02 | 1 | 2.00 | . | . | . | . | 19 | 1.32 | 0.89 |
|---|
| 34 | . | . | . | 1 | 1.00 | . | 15 | 1.73 | 4.83 | . | . | . | . | . | . | 17 | 2.35 | 2.21 |
|---|
| 35 | 2 | 0.00 | 0.00 | . | . | . | 18 | 0.78 | 1.00 | . | . | . | . | . | . | 17 | 1.35 | 1.41 |
|---|
| 36 | 1 | 3.00 | . | . | . | . | 18 | 2.83 | 2.18 | . | . | . | . | . | . | 18 | 2.78 | 1.56 |
|---|
| 37 | . | . | . | . | . | . | 20 | 0.70 | 0.86 | . | . | . | 1 | 0.00 | . | 17 | 1.18 | 1.38 |
|---|
| 38 | 1 | 1.00 | . | . | . | . | 18 | 1.50 | 2.04 | . | . | . | . | . | . | 18 | 2.00 | 2.00 |
|---|
| 39 | 8 | 4.38 | 2.39 | 3 | 6.33 | 0.58 | 9 | 5.67 | 1.94 | 9 | 4.33 | 2.06 | 1 | 3.00 | . | 8 | 2.25 | 1.91 |
|---|
| 40 | 7 | 4.00 | 2.08 | 3 | 2.00 | 1.00 | 9 | 4.44 | 2.35 | 8 | 4.00 | 1.85 | 1 | 4.00 | . | 10 | 3.00 | 1.25 |
|---|
| 41 | 5 | 19.20 | 19.73 | 1 | 16.00 | . | 13 | 11.46 | 6.24 | 4 | 19.75 | 10.18 | . | . | . | 8 | 15.25 | 4.40 |
|---|
| 42 | 8 | 8.25 | 5.15 | 1 | 20.00 | . | 10 | 16.10 | 9.00 | 8 | 16.25 | 11.20 | . | . | . | 8 | 26.88 | 10.89 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 4.73 | | 12 | 5.79 | | 178 | 4.20 | | 32 | 8.56 | | 3 | 2.33 | | 174 | 5.31 | |
|---|
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 |
|---|
| 31 | 1 | -0.021 | . | 1 | 0.041 | . | 17 | -0.025 | 0.034 | . | . | . | . | . | . | 16 | 0.004 | 0.025 |
|---|
| 32 | 2 | -0.003 | 0.069 | 1 | -0.080 | . | 15 | -0.041 | 0.053 | 2 | 0.000 | 0.007 | . | . | . | 18 | -0.017 | 0.037 |
|---|
| 33 | 2 | -0.005 | 0.008 | 1 | -0.024 | . | 16 | -0.031 | 0.033 | 1 | 0.025 | . | . | . | . | 19 | -0.008 | 0.045 |
|---|
| 34 | . | . | . | 1 | -0.148 | . | 15 | -0.029 | 0.042 | . | . | . | . | . | . | 17 | -0.058 | 0.050 |
|---|
| 35 | 2 | -0.026 | 0.015 | . | . | . | 18 | -0.022 | 0.038 | . | . | . | . | . | . | 17 | -0.035 | 0.088 |
|---|
| 36 | 1 | -0.031 | . | . | . | . | 18 | -0.007 | 0.056 | . | . | . | . | . | . | 18 | -0.024 | 0.058 |
|---|
| 37 | . | . | . | . | . | . | 20 | -0.028 | 0.043 | . | . | . | 1 | -0.101 | . | 17 | -0.050 | 0.046 |
|---|
| 38 | 1 | -0.044 | . | . | . | . | 18 | -0.088 | 0.057 | . | . | . | . | . | . | 18 | -0.043 | 0.052 |
|---|
| 39 | 8 | -0.066 | 0.033 | 3 | 0.006 | 0.040 | 9 | -0.008 | 0.050 | 9 | -0.068 | 0.032 | 1 | 0.027 | . | 8 | -0.009 | 0.039 |
|---|
| 40 | 7 | -0.050 | 0.089 | 3 | -0.036 | 0.020 | 9 | -0.092 | 0.127 | 8 | -0.109 | 0.027 | 1 | -0.057 | . | 10 | -0.104 | 0.034 |
|---|
| 41 | 5 | -0.046 | 0.084 | 1 | -0.106 | . | 13 | -0.116 | 0.087 | 4 | -0.070 | 0.054 | . | . | . | 8 | -0.058 | 0.064 |
|---|
| 42 | 8 | -0.007 | 0.085 | 1 | -0.054 | . | 10 | -0.001 | 0.068 | 8 | -0.057 | 0.079 | . | . | . | 8 | 0.051 | 0.097 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | -0.030 | | 12 | -0.050 | | 178 | -0.041 | | 32 | -0.047 | | 3 | -0.044 | | 174 | -0.029 | |
|---|
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 |
|---|
| 31 | 1 | 243.85 | . | 1 | 260.41 | . | 17 | 242.81 | 9.85 | . | . | . | . | . | . | 16 | 236.78 | 9.36 |
|---|
| 32 | 2 | 273.58 | 4.58 | 1 | 293.09 | . | 15 | 279.59 | 26.75 | 2 | 313.42 | 3.32 | . | . | . | 18 | 314.11 | 39.50 |
|---|
| 33 | 2 | 274.22 | 7.47 | 1 | 263.12 | . | 16 | 261.32 | 13.85 | 1 | 263.05 | . | . | . | . | 19 | 254.47 | 12.24 |
|---|
| 34 | . | . | . | 1 | 233.92 | . | 15 | 235.80 | 16.98 | . | . | . | . | . | . | 17 | 330.29 | 78.23 |
|---|
| 35 | 2 | 302.53 | 50.39 | . | . | . | 18 | 264.95 | 21.19 | . | . | . | . | . | . | 17 | 348.40 | 80.56 |
|---|
| 36 | 1 | 339.02 | . | . | . | . | 18 | 277.39 | 33.14 | . | . | . | . | . | . | 18 | 288.39 | 32.41 |
|---|
| 37 | . | . | . | . | . | . | 20 | 241.38 | 15.70 | . | . | . | 1 | 248.25 | . | 17 | 250.35 | 15.98 |
|---|
| 38 | 1 | 304.60 | . | . | . | . | 18 | 304.26 | 76.00 | . | . | . | . | . | . | 18 | 285.94 | 33.56 |
|---|
| 39 | 8 | 275.33 | 24.43 | 3 | 224.59 | 1.60 | 9 | 261.57 | 46.18 | 9 | 290.87 | 35.71 | 1 | 218.88 | . | 8 | 239.49 | 9.78 |
|---|
| 40 | 7 | 373.28 | 106.78 | 3 | 232.99 | 10.37 | 9 | 501.06 | 352.05 | 8 | 380.87 | 48.02 | 1 | 517.73 | . | 10 | 603.74 | 261.95 |
|---|
| 41 | 5 | 280.78 | 92.22 | 1 | 239.74 | . | 13 | 305.78 | 93.90 | 4 | 378.67 | 203.25 | . | . | . | 8 | 290.43 | 89.38 |
|---|
| 42 | 8 | 287.06 | 43.90 | 1 | 209.39 | . | 10 | 227.68 | 27.42 | 8 | 300.84 | 62.39 | . | . | . | 8 | 250.58 | 20.68 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 295.42 | | 12 | 244.66 | | 178 | 283.63 | | 32 | 321.29 | | 3 | 328.29 | | 174 | 307.75 | |
|---|
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 |
|---|
| 31 | 1 | 46.22 | . | 1 | 49.09 | . | 17 | 40.66 | 15.47 | . | . | . | . | . | . | 16 | 37.19 | 22.99 |
|---|
| 32 | 2 | 89.27 | 40.44 | 1 | 86.38 | . | 15 | 92.71 | 51.53 | 2 | 130.21 | 53.99 | . | . | . | 18 | 163.80 | 122.87 |
|---|
| 33 | 2 | 59.94 | 3.73 | 1 | 48.18 | . | 16 | 62.25 | 22.16 | 1 | 49.14 | . | . | . | . | 19 | 51.08 | 14.50 |
|---|
| 34 | . | . | . | 1 | 67.58 | . | 15 | 58.16 | 31.53 | . | . | . | . | . | . | 17 | 206.68 | 152.75 |
|---|
| 35 | 2 | 93.92 | 89.53 | . | . | . | 18 | 48.91 | 24.54 | . | . | . | . | . | . | 17 | 238.13 | 415.66 |
|---|
| 36 | 1 | 122.11 | . | . | . | . | 18 | 94.50 | 49.05 | . | . | . | . | . | . | 18 | 96.03 | 35.19 |
|---|
| 37 | . | . | . | . | . | . | 20 | 66.83 | 38.94 | . | . | . | 1 | 76.38 | . | 17 | 88.48 | 38.22 |
|---|
| 38 | 1 | 184.82 | . | . | . | . | 18 | 276.57 | 454.24 | . | . | . | . | . | . | 18 | 125.39 | 80.23 |
|---|
| 39 | 8 | 91.20 | 67.17 | 3 | 40.06 | 2.76 | 9 | 91.85 | 82.44 | 9 | 128.82 | 108.00 | 1 | 39.04 | . | 8 | 40.48 | 2.85 |
|---|
| 40 | 7 | 392.03 | 302.11 | 3 | 61.13 | 36.75 | 9 | 559.90 | 631.35 | 8 | 314.54 | 100.23 | 1 | 691.82 | . | 10 | 711.32 | 426.67 |
|---|
| 41 | 5 | 153.16 | 138.22 | 1 | 80.65 | . | 13 | 188.46 | 135.47 | 4 | 243.06 | 169.53 | . | . | . | 8 | 187.31 | 168.93 |
|---|
| 42 | 8 | 117.32 | 38.32 | 1 | 47.96 | . | 10 | 80.51 | 35.34 | 8 | 128.52 | 53.20 | . | . | . | 8 | 105.92 | 28.38 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 135.00 | | 12 | 60.13 | | 178 | 138.44 | | 32 | 165.71 | | 3 | 269.08 | | 174 | 170.98 | |
|---|
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 |
|---|
| 31 | 1 | 0.170 | . | 1 | 0.263 | . | 17 | 0.190 | 0.085 | . | . | . | . | . | . | 16 | 0.197 | 0.060 |
|---|
| 32 | 2 | 0.234 | 0.039 | 1 | 0.198 | . | 15 | 0.223 | 0.059 | 2 | 0.228 | 0.021 | . | . | . | 18 | 0.230 | 0.056 |
|---|
| 33 | 2 | 0.280 | 0.022 | 1 | 0.210 | . | 16 | 0.218 | 0.046 | 1 | 0.296 | . | . | . | . | 19 | 0.244 | 0.054 |
|---|
| 34 | . | . | . | 1 | 0.102 | . | 15 | 0.197 | 0.070 | . | . | . | . | . | . | 17 | 0.278 | 0.059 |
|---|
| 35 | 2 | 0.084 | 0.100 | . | . | . | 18 | 0.172 | 0.088 | . | . | . | . | . | . | 17 | 0.202 | 0.072 |
|---|
| 36 | 1 | 0.156 | . | . | . | . | 18 | 0.260 | 0.042 | . | . | . | . | . | . | 18 | 0.274 | 0.059 |
|---|
| 37 | . | . | . | . | . | . | 20 | 0.198 | 0.063 | . | . | . | 1 | 0.193 | . | 17 | 0.199 | 0.048 |
|---|
| 38 | 1 | 0.176 | . | . | . | . | 18 | 0.221 | 0.090 | . | . | . | . | . | . | 18 | 0.225 | 0.047 |
|---|
| 39 | 8 | 0.179 | 0.066 | 3 | 0.247 | 0.062 | 9 | 0.187 | 0.102 | 9 | 0.183 | 0.047 | 1 | 0.253 | . | 8 | 0.228 | 0.079 |
|---|
| 40 | 7 | 0.272 | 0.042 | 3 | 0.236 | 0.012 | 9 | 0.328 | 0.105 | 8 | 0.380 | 0.106 | 1 | 0.413 | . | 10 | 0.277 | 0.027 |
|---|
| 41 | 5 | 0.212 | 0.119 | 1 | 0.108 | . | 13 | 0.216 | 0.102 | 4 | 0.236 | 0.066 | . | . | . | 8 | 0.207 | 0.060 |
|---|
| 42 | 8 | 0.336 | 0.065 | 1 | 0.154 | . | 10 | 0.266 | 0.082 | 8 | 0.314 | 0.085 | . | . | . | 8 | 0.268 | 0.051 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 0.210 | | 12 | 0.190 | | 178 | 0.223 | | 32 | 0.273 | | 3 | 0.286 | | 174 | 0.236 | |
|---|
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 |
|---|
| 31 | 1 | 0.00 | . | 1 | 0.00 | . | 17 | 0.00 | 0.00 | . | . | . | . | . | . | 16 | 0.00 | 0.00 |
|---|
| 32 | 2 | 0.00 | 0.00 | 1 | 0.00 | . | 15 | 0.00 | 0.00 | 2 | 0.00 | 0.00 | . | . | . | 18 | 0.00 | 0.00 |
|---|
| 33 | 2 | 0.00 | 0.00 | 1 | 0.00 | . | 16 | 0.00 | 0.00 | 1 | 0.00 | . | . | . | . | 19 | 0.00 | 0.00 |
|---|
| 34 | . | . | . | 1 | 0.00 | . | 15 | 0.00 | 0.00 | . | . | . | . | . | . | 17 | 0.00 | 0.00 |
|---|
| 35 | 2 | 0.00 | 0.00 | . | . | . | 18 | 0.00 | 0.00 | . | . | . | . | . | . | 17 | 0.00 | 0.00 |
|---|
| 36 | 1 | 0.00 | . | . | . | . | 18 | 0.00 | 0.00 | . | . | . | . | . | . | 18 | 0.00 | 0.00 |
|---|
| 37 | . | . | . | . | . | . | 20 | 0.00 | 0.00 | . | . | . | 1 | 0.00 | . | 17 | 0.00 | 0.00 |
|---|
| 38 | 1 | 0.00 | . | . | . | . | 18 | 0.00 | 0.00 | . | . | . | . | . | . | 18 | 0.00 | 0.00 |
|---|
| 39 | 8 | 0.00 | 0.00 | 3 | 0.00 | 0.00 | 9 | 0.00 | 0.00 | 9 | 0.00 | 0.00 | 1 | 0.00 | . | 8 | 0.00 | 0.00 |
|---|
| 40 | 7 | 0.00 | 0.00 | 3 | 0.00 | 0.00 | 9 | 0.00 | 0.00 | 8 | 0.00 | 0.00 | 1 | 0.00 | . | 10 | 0.00 | 0.00 |
|---|
| 41 | 5 | 0.00 | 0.00 | 1 | 0.00 | . | 13 | 0.00 | 0.00 | 4 | 0.00 | 0.00 | . | . | . | 8 | 0.00 | 0.00 |
|---|
| 42 | 8 | 0.00 | 0.00 | 1 | 0.00 | . | 10 | 0.00 | 0.00 | 8 | 0.00 | 0.00 | . | . | . | 8 | 0.00 | 0.00 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 0.00 | | 12 | 0.00 | | 178 | 0.00 | | 32 | 0.00 | | 3 | 0.00 | | 174 | 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 |
|---|
| 31 | 1 | 2.00 | . | 1 | 1.00 | . | 17 | 2.24 | 2.02 | . | . | . | . | . | . | 16 | 1.31 | 0.48 |
|---|
| 32 | 2 | 1.00 | 1.41 | 1 | 0.00 | . | 15 | 0.93 | 2.49 | 2 | 7.50 | 0.71 | . | . | . | 18 | 8.06 | 3.08 |
|---|
| 33 | 2 | 0.00 | 0.00 | 1 | 1.00 | . | 16 | 0.06 | 0.25 | 1 | 8.00 | . | . | . | . | 19 | 4.53 | 3.08 |
|---|
| 34 | . | . | . | 1 | 1.00 | . | 15 | 6.47 | 1.51 | . | . | . | . | . | . | 17 | 7.71 | 1.26 |
|---|
| 35 | 2 | 0.00 | 0.00 | . | . | . | 18 | 0.11 | 0.32 | . | . | . | . | . | . | 17 | 7.00 | 4.37 |
|---|
| 36 | 1 | 10.00 | . | . | . | . | 18 | 7.00 | 2.47 | . | . | . | . | . | . | 18 | 7.33 | 2.06 |
|---|
| 37 | . | . | . | . | . | . | 20 | 7.25 | 1.02 | . | . | . | 1 | 8.00 | . | 17 | 7.47 | 1.01 |
|---|
| 38 | 1 | 7.00 | . | . | . | . | 18 | 7.72 | 1.60 | . | . | . | . | . | . | 18 | 6.39 | 3.65 |
|---|
| 39 | 8 | 0.75 | 2.12 | 3 | 0.00 | 0.00 | 9 | 0.00 | 0.00 | 9 | 0.78 | 2.33 | 1 | 6.00 | . | 8 | 0.00 | 0.00 |
|---|
| 40 | 7 | 3.29 | 4.27 | 3 | 0.67 | 1.15 | 9 | 2.11 | 3.18 | 8 | 6.25 | 4.10 | 1 | 10.00 | . | 10 | 6.20 | 4.57 |
|---|
| 41 | 5 | 1.20 | 2.68 | 1 | 0.00 | . | 13 | 1.38 | 2.63 | 4 | 0.00 | 0.00 | . | . | . | 8 | 0.88 | 2.47 |
|---|
| 42 | 8 | 8.88 | 3.18 | 1 | 1.00 | . | 10 | 3.30 | 3.86 | 8 | 8.88 | 3.18 | . | . | . | 8 | 5.00 | 4.47 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 3.41 | | 12 | 0.58 | | 178 | 3.21 | | 32 | 5.23 | | 3 | 8.00 | | 174 | 5.16 | |
|---|
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 |
|---|
| 31 | 1 | 2.00 | . | 1 | 1.00 | . | 17 | 2.06 | 1.98 | . | . | . | . | . | . | 16 | 1.25 | 0.45 |
|---|
| 32 | 2 | 1.00 | 1.41 | 1 | 0.00 | . | 15 | 0.80 | 2.11 | 2 | 5.00 | 2.83 | . | . | . | 18 | 7.11 | 2.83 |
|---|
| 33 | 2 | 0.00 | 0.00 | 1 | 1.00 | . | 16 | 0.06 | 0.25 | 1 | 7.00 | . | . | . | . | 19 | 4.53 | 2.97 |
|---|
| 34 | . | . | . | 1 | 2.00 | . | 15 | 5.93 | 1.79 | . | . | . | . | . | . | 17 | 6.88 | 1.41 |
|---|
| 35 | 2 | 0.00 | 0.00 | . | . | . | 18 | 0.11 | 0.32 | . | . | . | . | . | . | 17 | 6.71 | 4.61 |
|---|
| 36 | 1 | 10.00 | . | . | . | . | 18 | 6.56 | 2.73 | . | . | . | . | . | . | 18 | 6.78 | 1.73 |
|---|
| 37 | . | . | . | . | . | . | 20 | 6.80 | 1.54 | . | . | . | 1 | 6.00 | . | 17 | 7.41 | 0.94 |
|---|
| 38 | 1 | 8.00 | . | . | . | . | 18 | 7.39 | 1.14 | . | . | . | . | . | . | 18 | 6.17 | 3.47 |
|---|
| 39 | 8 | 1.13 | 3.18 | 3 | 0.00 | 0.00 | 9 | 0.00 | 0.00 | 9 | 0.78 | 2.33 | 1 | 7.00 | . | 8 | 0.00 | 0.00 |
|---|
| 40 | 7 | 3.29 | 4.19 | 3 | 1.00 | 1.73 | 9 | 2.00 | 3.00 | 8 | 6.63 | 4.17 | 1 | 8.00 | . | 10 | 6.40 | 4.45 |
|---|
| 41 | 5 | 2.00 | 4.47 | 1 | 0.00 | . | 13 | 1.85 | 3.60 | 4 | 0.00 | 0.00 | . | . | . | 8 | 1.25 | 3.54 |
|---|
| 42 | 8 | 8.88 | 3.18 | 1 | 1.00 | . | 10 | 3.40 | 3.81 | 8 | 6.63 | 4.66 | . | . | . | 8 | 4.38 | 4.66 |
|---|
| | | | | | | | | | | | | | | | | | | |
|---|
| Sum/Mean | 37 | 3.63 | | 12 | 0.75 | | 178 | 3.08 | | 32 | 4.34 | | 3 | 7.00 | | 174 | 4.90 | |
|---|
|