TABLE B-1 Arnold Model,,,,
,Equation,,,
,1,2,3,4
Assumptions: Semantic differences: Effectiveness: Minimum–average,1,1,1.0,1.0
Assumptions: Semantic differences: Effectiveness: Average–maximum,1,1,3.2,2.7
Assumptions: Semantic differences: Cost: Inexpensive–average,1,1,1.0,0.0
Assumptions: Semantic differences: Cost: Average–expensive,1,1,3.2,1.0
Assumptions: Semantic differences: Implementation: Easy–average,1,1,1.0,1.0
Assumptions: Semantic differences: Implementation: Average–difficult,1,1,3.2,1.7
Assumptions: Component weights,Not applicable,Not applicable,Not applicable,Not applicable
Results: Estimated coefficients: Add supply: Coefficient,,0.29,0.31,0.35
Results: Estimated coefficients: Add supply: Standard error,,0.19,0.21,0.21
Results: Estimated coefficients: Add supply: t-score,,1.54,1.49,1.63
Results: Estimated coefficients: TDM: Coefficient,,–0.16,–0.14,–0.15
Results: Estimated coefficients: TDM: Standard error,,0.17,0.15,0.15
Results: Estimated coefficients: TDM: t-score,,–0.96,–0.93,–1
Results: Estimated coefficients: Growth control: Coefficient,,0.04,0.00,0.01
Results: Estimated coefficients: Growth control: Standard error,,0.14,0.13,0.13
Results: Estimated coefficients: Growth control: t-score,,0.28,–0.04,0.05
Results: Estimated coefficients: Effectiveness: Coefficient,0.64*,0.46*,0.54*,0.51*
Results: Estimated coefficients: Effectiveness: Standard error,0.14,0.19,0.19,0.19
Results: Estimated coefficients: Effectiveness: t-score,4.49,2.42,2.88,2.73
Results: Estimated coefficients: Cost: Coefficient,–0.09,–0.15,–0.25,–0.28
Results: Estimated coefficients: Cost: Standard error,0.16,0.17,0.18,0.20
Results: Estimated coefficients: Cost: t-score,–0.55,–0.85,–1.37,–1.38
Results: Estimated coefficients: Implementation: Coefficient,–0.48*,–0.61*,–0.58*,–0.57*
Results: Estimated coefficients: Implementation: Standard error,0.16,0.18,0.18,0.18
Results: Estimated coefficients: Implementation: t-score,–3.06,–3.35,–3.28,–3.19
Results: Estimated coefficients: Goodness-of-fit: Standard error of Y,0.85,0.84,0.83,0.83
Results: Estimated coefficients: Goodness-of-fit: R-squared,32.40%,36.70%,38.60%,39.30%
Results: Estimated coefficients: Goodness-of-fit: Number of observations,53,53,53,53
Results: Estimated coefficients: Goodness-of-fit: Degrees of freedom,50,47,47,47
* Significant at 95% confidence interval.
TDM = travel demand management