Table 2 - Authors and Data
| Attribute | Author | ||
|---|---|---|---|
| Arnold | Downs | Zupan | |
| Professional orientation | Engineering | Economics | Planning |
| Institutional affiliation | Virginia DOT | Brookings Institution | Regional Plan Association |
| Expertise | Vehicle trip generation | The costs of sprawl | Public transit and land use |
| Variable components | 4 | 7 | 12 |
| Latent variables | 4 | 4 | 4 |
| Observations | 53 | 23 | 22 |
| Data type | Quantitative | Qualitative | Mixed |
| Data source | Mail survey | Author | Author |
* 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.
Updated: Saturday, May 20, 2017