Bureau of Transportation Statistics (BTS)
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Table 1 - Modeling Results for the BGEE Model with and without Correlation

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Parameter Without correlation With correlation
Coefficient t statistic Coefficient t statistic
Intercept −3.682 −20.29 −3.699 −20.11
Information familiarity: 1 if subject uses pre-trip and/or en route traffic information usually or everyday, 0 otherwise 0.406 10.12 0.421 9.94
Information provision: 1 for scenario 4 where en route information is provided without long-term advice, 0 otherwise 0.236 2.07 0.243 2.11
Same color: 1 if the two coming links were with the same color (qualitative congestion level), 0 otherwise −0.467 −4.20 −0.476 −4.28
System learning: 1 for the second 5 trial days of the experiment, 0 for the first 5 trial days 3.469 15.75 3.598 15.70
Heavy rain: 1 for heavy rain condition; 0 for light rain or clear-sky 0.415 3.24 0.402 3.17
Number of movements since the origin 0.610 9.78 0.634 9.61

Interaction terms        
Heavy rain × Same color 0.453 2.25 0.536 2.16
Number of movements since the origin × System learning 0.406 6.14 0.511 6.06

Summary statistics df F statistic df F statistic
Overall model 9 6,742.27 10 8,543.12