Realism and Adaptation in Designing Hypothetical travel Choice Concepts
For external validity, SP experiments need to present choices that are realistic for the respondents. The use of portable computers in interviewing has many advantages.
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Intermodal Impacts: Interstate Highways and Airport Viability
- W.R. Black
- May 1972
- Vol. 8
- No. 2
- Page 136
Intermodal Impacts: Interstate Highways and Airport Viability
- W.R. Black
- May 1972
- Vol. 8
- No. 2
- Page 136
Construction of an Interstate highway increases traffic at hub airports by making them more accessible; but non-hub airports lose some of their feeder function to the roads. This was one reason for lost traffic at non-hub airports in Indiana, but changes in air services were more important.
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