Table B-3 Zupan Model

Table B-3 Zupan Model

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  Equation
1 2 3 4
Assumptions: Semantic values: Effectiveness: Varies 0 2 2 2
Assumptions: Semantic values: Implementation: Unknown/not applicable 0 0 3 3
Assumptions: Semantic values: Acceptability: Varies 0 2 2 2
Assumptions: Semantic values: Acceptability: Negative  -1  -1 1 1
Assumptions: Semantic values: Acceptability: Unknown/not applicable 0 0 2 2
Assumptions: Semantic values: Acceptability: Positive 1 1 3 3
Assumptions: Component weights: Effectiveness: SOV reduction 1 1 1 0.0
Assumptions: Component weights: Effectiveness: Peak trip reduction 1 1 1 1.0
Assumptions: Component weights: Effectiveness: VMT reduction 1 1 1 1.7
Assumptions: Component weights: Effectiveness: Transit impact 1 1 1 2.5
Assumptions: Component weights: Cost: Employee 1 1 1 0.0
Assumptions: Component weights: Cost: Employer 1 1 1 2.2
Assumptions: Component weights: Cost: Public capital 1 1 1 1.0
Assumptions: Component weights: Acceptability: Employee 1 1 1 1.0
Assumptions: Component weights: Acceptability: Employer 1 1 1 0.0
Assumptions: Component weights: Acceptability: Municipal 1 1 1 2.7
Assumptions: Component weights: Acceptability: Public 1 1 1 1.9
Results: Estimated coefficients: Effectiveness: Coefficient -0.27 -0.34* -0.46* -0.45*
Results: Estimated coefficients: Effectiveness: Standard error 0.19 0.16 0.14 0.11
Results: Estimated coefficients: Effectiveness: t-score -1.39 -2.12 -3.31 -4.05
Results: Estimated coefficients: Cost: Coefficient 0.19 0.24 0.05 0.39*
Results: Estimated coefficients: Cost: Standard error 0.19 0.16 0.14 0.11
Results: Estimated coefficients: Cost: t-score 0.98 1.49 0.38 3.50
Results: Estimated coefficients: Implementation: Coefficient -0.41* -0.56* -0.66* -0.56*
Results: Estimated coefficients: Implementation: Standard error 0.19 0.16 0.14 0.11
Results: Estimated coefficients: Implementation: t-score -2.14 -3.46 -4.78 -5.09
Results: Goodness-of-fit: Standard error of Y 0.91 0.76 0.65 0.50
Results: Goodness-of-fit: R-squared 29.00% 49.90% 63.90% 78.30%
Results: Goodness-of-fit: Number of observations 22 22 22 22
Results: Goodness-of-fit: Degrees of freedom 19 19 19 19

* significant at 0.01 level
** significant at 0.05 level
*** 1.00 < t < 2.00
d.f. = degrees of freedom
HOV = high-occupancy vechicle
NA = not applicable
SOV = single-occupancy vehicle
SRSD = studentized residual
TDM = travel demand management
TMA = transportation management association
TSM = transportation system management
U = data are unavailable
VHT = vehicle hours of travel
VMT = vehicle-miles traveled
* Significant at 95% confidence interval.