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Publication Number: FHWA-HRT-04-145
Date: December 2005

Enhanced Night Visibility Series, Volume XIV: Phase III—Study 2: Comparison of Near Infrared, Far Infrared, and Halogen Headlamps on Object Detection in Nighttime Rain

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APPENDIX D—ANOVA TABLES FOR PEDESTRIANS IN STRAIGHT SECTIONS



Table 28. Pedestrian, denim clothing, left ANOVA summary table for the dependent measurement: detection distance.
Source DF SS MS F value P value  
TOTAL 59 420861.4       
Between
Age 2 65578.0 32789.0 5.16 0.0241 *
Subject/Age 12 76182.3 6348.5     
 
Within
VES 3 123148.5 41049.5 10.31 <.0001 *
VES by Age 6 12584.8 2097.5 0.53 0.7842  
VES by Subject/Age 36 143367.8 3982.4     

Table 29. Pedestrian, denim clothing, left ANOVA summary table for the dependent measurement: recognition distance.
Source DF SS MS F value P value  
TOTAL 59 396462.7       
Between
Age 2 59180.7405 29590.3702 4.36 0.0377 *
Subject/Age 12 81444.2385 6787.0199     
 
Within
VES 3 120891.2345 40297.0782 11.39 <.0001 *
VES by Age 6 7529.5261 1254.921 0.35 0.9025  
VES by Subject/Age 36 127417.0028 3539.3612     

Table 30. Pedestrian, denim clothing, right ANOVA summary table for the dependent measurement: detection distance.
Source DF SS MS F value P value  
TOTAL 58 375924.9       
Between
Age 2 18484.9 9242.5 1.71 0.2223  
Subject/Age 12 64893.9 5407.8     
 
Within
VES 3 77988.4 25996.1 5.36 0.0038 *
VES by Age 6 44679.6 7446.6 1.53 0.196  
VES by Subject/Age 35 169878.2 4853.7     

Table 31. Pedestrian, denim clothing, right ANOVA summary table for the dependent measurement: recognition distance.
Source DF SS MS F value P value  
TOTAL 58 379212.9       
Between
Age 2 22516.241 11258.1205 1.66 0.2308  
Subject/Age 12 81345.0437 6778.7536     
 
Within
VES 3 89691.7849 29897.2616 6.64 0.0011 *
VES by Age 6 28013.5336 4668.9223 1.04 0.4186  
VES by Subject/Age 35 157646.2573 4504.1788     

Table 32. Dynamic pedestrian ANOVA summary table for the dependent measurement: detection distance.
Source DF SS MS F value P value  
TOTAL 59 320730.1       
Between
Age 2 48397.1 24198.5 3.42 0.0668  
Subject/Age 12 84942.9 7078.6     
 
Within
VES 3 35015.7 11671.9 3.17 0.0359 *
VES by Age 6 19818.6 3303.1 0.90 0.5076  
VES by Subject/Age 36 132555.8 3682.1     

Table 33. Dynamic pedestrian ANOVA summary table for the dependent measurement: recognition distance.
Source DF SS MS F value P value  
TOTAL 59 314201.0       
Between
Age 2 62528.3286 31264.1643 4.17 0.0421 *
Subject/Age 12 89950.6015 7495.8835     
 
Within
VES 3 32769.8772 10923.2924 3.88 0.0169 *
VES by Age 6 27498.4954 4583.0826 1.63 0.1683  
VES by Subject/Age 36 101453.6729 2818.1576     

 

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