Table 5 - Variable Correlations
Note: All correlations are expressed as
bivariate regression tests of "t" to facilitate comparison.
Excel | CSV
| Arnold |
Effectiveness |
4.46 |
4.37 |
2.56 |
| Arnold |
Cost |
|
6.12 |
-0.28 |
| Arnold |
Implementation |
|
|
-1.54 |
| Downs |
Effectiveness |
1.42 |
-0.13 |
-2.2 |
| Downs |
Cost |
|
0.68 |
-4.02 |
| Downs |
Implementation |
|
|
-2.27 |
| Zupan |
Effectiveness |
-1.54 |
0.18 |
-2.08 |
| Zupan |
Cost |
|
0.49 |
1.72 |
| Zupan |
Implementation |
|
|
-2.59 |
* 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.
|
