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Pilot Test of Fatigue Management Technologies - Final Report

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 FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3111.00.10.00.170.240.44......160.060.25
3222.500.7112.00.152.272.1925.503.54...184.333.41
3321.000.0010.00.160.500.6310.00....190.370.68
34...11.00.151.131.88......177.536.93
3521.502.12...180.440.62......175.535.42
3616.00....183.613.84......183.282.72
37......200.851.04...13.00.171.651.00
3813.00....184.064.22......183.062.55
3981.752.0530.000.0092.114.4092.112.0310.00.80.000.00
4078.715.0630.671.15912.6713.42812.255.34118.00.1019.6010.67
4155.608.1712.00.137.628.53416.7522.54...86.3810.38
4286.634.3411.00.102.503.2787.257.85...82.751.91
                   
Sum/Mean373.77 120.83 1783.17 327.31 37.00 1744.54 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3112.41.11.00.171.330.62......161.090.35
3223.440.4113.15.152.951.4724.781.48...184.121.53
3322.410.0011.00.161.660.8011.00....191.450.80
34...12.41.152.051.37......175.202.30
3522.371.93...181.590.78......174.192.58
3615.10....183.531.98......183.571.53
37......201.951.04...13.73.172.770.85
3813.73....183.821.91......183.431.53
3982.571.5031.000.0092.272.2792.891.4211.00.81.000.00
4075.811.8831.721.2495.864.5087.001.5018.60.108.632.57
4154.123.0013.15.134.793.1647.025.11...84.073.47
4285.111.6412.41.103.061.6484.623.27...83.470.98
                   
Sum/Mean373.71 121.98 1782.90 324.55 34.44 1743.58 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
311236.00.1247.50.17234.887.58......16229.536.97
322253.501.411276.00.15257.7315.762283.2511.67...18277.9218.50
332257.507.781253.00.16247.5012.011248.50....19241.979.71
34...1227.00.15223.4711.74......17270.0934.16
352290.2533.59...18256.3319.11......17298.7917.68
361320.00....18252.6423.22......18262.2524.92
37......20227.8312.64...1233.50.17232.8214.01
381272.00....18252.3626.74......18256.8917.80
398257.1912.013214.672.319239.3921.209266.0620.541209.00.8230.1910.16
407262.4316.433218.331.049271.3959.318285.8821.031327.00.10318.5033.31
415236.0034.151231.00.13255.8550.514315.00158.47...8247.3851.06
428246.5029.461202.00.10204.0011.128257.9440.41...8223.1918.40
                   
Sum/Mean37263.14 12233.69 178243.61 32276.10 3256.50 174257.46 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
311199.20.1208.90.17198.463.79......16197.085.92
322199.459.261209.56.15198.8210.952211.375.61...18211.1510.75
332215.343.921214.50.16202.919.921208.60....19198.747.51
34...1173.33.15182.477.01......17201.2514.56
352232.7816.66...18212.5413.66......17229.7114.38
361205.33....18198.649.44......18205.0312.64
37......20183.587.57...1181.90.17183.385.91
381215.80....18191.6014.94......18197.1112.54
398198.308.453175.900.759186.6814.759202.9713.551169.30.8186.555.76
407192.336.883179.395.889191.9719.048200.589.611203.80.10197.2716.02
415172.1714.771153.60.13170.8813.114170.3312.40...8166.8311.69
428185.8114.131162.20.10164.067.128183.5922.25...8160.108.59
                   
Sum/Mean37201.65 12184.67 178190.22 32196.24 3185.00 174194.52 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3113.04.12.67.173.140.29......163.330.23
3222.380.1512.20.152.360.4421.780.35...181.970.36
3322.420.1212.72.162.620.2012.66....192.800.27
34...13.00.153.030.53......171.730.64
3522.540.74...182.910.32......171.880.67
3611.72....182.270.48......182.220.48
37......202.900.35...12.54.172.620.27
3812.16....182.150.60......182.190.48
3982.500.4733.230.1492.740.8092.340.5413.32.83.110.15
4071.340.7133.040.4391.591.3580.580.3810.76.101.110.38
4152.421.1512.74.132.071.0541.641.11...82.301.06
4281.910.4313.45.102.740.6881.940.63...82.270.22
                   
Sum/Mean372.24 122.88 1782.54 321.82 32.21 1742.29 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3114.00.10.00.170.881.22......160.500.63
3222.502.1210.00.152.932.5525.001.41...184.893.31
3321.000.0011.00.161.381.0212.00....191.320.89
34...11.00.151.734.83......172.352.21
3520.000.00...180.781.00......171.351.41
3613.00....182.832.18......182.781.56
37......200.700.86...10.00.171.181.38
3811.00....181.502.04......182.002.00
3984.382.3936.330.5895.671.9494.332.0613.00.82.251.91
4074.002.0832.001.0094.442.3584.001.8514.00.103.001.25
41519.2019.73116.00.1311.466.24419.7510.18...815.254.40
4288.255.15120.00.1016.109.00816.2511.20...826.8810.89
                   
Sum/Mean374.73 125.79 1784.20 328.56 32.33 1745.31 

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 FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
311-0.021.10.041.17-0.0250.034......160.0040.025
322-0.0030.0691-0.080.15-0.0410.05320.0000.007...18-0.0170.037
332-0.0050.0081-0.024.16-0.0310.03310.025....19-0.0080.045
34...1-0.148.15-0.0290.042......17-0.0580.050
352-0.0260.015...18-0.0220.038......17-0.0350.088
361-0.031....18-0.0070.056......18-0.0240.058
37......20-0.0280.043...1-0.101.17-0.0500.046
381-0.044....18-0.0880.057......18-0.0430.052
398-0.0660.03330.0060.0409-0.0080.0509-0.0680.03210.027.8-0.0090.039
407-0.0500.0893-0.0360.0209-0.0920.1278-0.1090.0271-0.057.10-0.1040.034
415-0.0460.0841-0.106.13-0.1160.0874-0.0700.054...8-0.0580.064
428-0.0070.0851-0.054.10-0.0010.0688-0.0570.079...80.0510.097
                   
Sum/Mean37-0.030 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 FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
311243.85.1260.41.17242.819.85......16236.789.36
322273.584.581293.09.15279.5926.752313.423.32...18314.1139.50
332274.227.471263.12.16261.3213.851263.05....19254.4712.24
34...1233.92.15235.8016.98......17330.2978.23
352302.5350.39...18264.9521.19......17348.4080.56
361339.02....18277.3933.14......18288.3932.41
37......20241.3815.70...1248.25.17250.3515.98
381304.60....18304.2676.00......18285.9433.56
398275.3324.433224.591.609261.5746.189290.8735.711218.88.8239.499.78
407373.28106.783232.9910.379501.06352.058380.8748.021517.73.10603.74261.95
415280.7892.221239.74.13305.7893.904378.67203.25...8290.4389.38
428287.0643.901209.39.10227.6827.428300.8462.39...8250.5820.68
                   
Sum/Mean37295.42 12244.66 178283.63 32321.29 3328.29 174307.75 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
31146.22.149.09.1740.6615.47......1637.1922.99
32289.2740.44186.38.1592.7151.532130.2153.99...18163.80122.87
33259.943.73148.18.1662.2522.16149.14....1951.0814.50
34...167.58.1558.1631.53......17206.68152.75
35293.9289.53...1848.9124.54......17238.13415.66
361122.11....1894.5049.05......1896.0335.19
37......2066.8338.94...176.38.1788.4838.22
381184.82....18276.57454.24......18125.3980.23
39891.2067.17340.062.76991.8582.449128.82108.00139.04.840.482.85
407392.03302.11361.1336.759559.90631.358314.54100.231691.82.10711.32426.67
415153.16138.22180.65.13188.46135.474243.06169.53...8187.31168.93
428117.3238.32147.96.1080.5135.348128.5253.20...8105.9228.38
                   
Sum/Mean37135.00 1260.13 178138.44 32165.71 3269.08 174170.98 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3110.170.10.263.170.1900.085......160.1970.060
3220.2340.03910.198.150.2230.05920.2280.021...180.2300.056
3320.2800.02210.210.160.2180.04610.296....190.2440.054
34...10.102.150.1970.070......170.2780.059
3520.0840.100...180.1720.088......170.2020.072
3610.156....180.2600.042......180.2740.059
37......200.1980.063...10.193.170.1990.048
3810.176....180.2210.090......180.2250.047
3980.1790.06630.2470.06290.1870.10290.1830.04710.253.80.2280.079
4070.2720.04230.2360.01290.3280.10580.3800.10610.413.100.2770.027
4150.2120.11910.108.130.2160.10240.2360.066...80.2070.060
4280.3360.06510.154.100.2660.08280.3140.085...80.2680.051
                   
Sum/Mean370.210 120.190 1780.223 320.273 30.286 1740.236 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3110.00.10.00.170.000.00......160.000.00
3220.000.0010.00.150.000.0020.000.00...180.000.00
3320.000.0010.00.160.000.0010.00....190.000.00
34...10.00.150.000.00......170.000.00
3520.000.00...180.000.00......170.000.00
3610.00....180.000.00......180.000.00
37......200.000.00...10.00.170.000.00
3810.00....180.000.00......180.000.00
3980.000.0030.000.0090.000.0090.000.0010.00.80.000.00
4070.000.0030.000.0090.000.0080.000.0010.00.100.000.00
4150.000.0010.00.130.000.0040.000.00...80.000.00
4280.000.0010.00.100.000.0080.000.00...80.000.00
                   
Sum/Mean370.00 120.00 1780.00 320.00 30.00 1740.00 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3112.00.11.00.172.242.02......161.310.48
3221.001.4110.00.150.932.4927.500.71...188.063.08
3320.000.0011.00.160.060.2518.00....194.533.08
34...11.00.156.471.51......177.711.26
3520.000.00...180.110.32......177.004.37
36110.00....187.002.47......187.332.06
37......207.251.02...18.00.177.471.01
3817.00....187.721.60......186.393.65
3980.752.1230.000.0090.000.0090.782.3316.00.80.000.00
4073.294.2730.671.1592.113.1886.254.10110.00.106.204.57
4151.202.6810.00.131.382.6340.000.00...80.882.47
4288.883.1811.00.103.303.8688.883.18...85.004.47
                   
Sum/Mean373.41 120.58 1783.21 325.23 38.00 1745.16 

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

 No FeedbackFeedback
 DayEveningNightDayEveningNight
DriverNMeanSDNMeanSDNMeanSDNMeanSDNMeanSDNMeanSD
3112.00.11.00.172.061.98......161.250.45
3221.001.4110.00.150.802.1125.002.83...187.112.83
3320.000.0011.00.160.060.2517.00....194.532.97
34...12.00.155.931.79......176.881.41
3520.000.00...180.110.32......176.714.61
36110.00....186.562.73......186.781.73
37......206.801.54...16.00.177.410.94
3818.00....187.391.14......186.173.47
3981.133.1830.000.0090.000.0090.782.3317.00.80.000.00
4073.294.1931.001.7392.003.0086.634.1718.00.106.404.45
4152.004.4710.00.131.853.6040.000.00...81.253.54
4288.883.1811.00.103.403.8186.634.66...84.384.66
                   
Sum/Mean373.63 120.75 1783.08 324.34 37.00 1744.90 


 
 
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