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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Regional Impacts of National transport Systems on Population and travel
- M.M. Stein
- September 1975
- Vol. 9
- No. 3
- Page 255
Regional Impacts of National transport Systems on Population and travel
- M.M. Stein
- September 1975
- Vol. 9
- No. 3
- Page 255
Demand for travel is generated by changes in population and income and increased mobility, as well as by projects such as the Interstate highway system. This paper compares various estimates for the regions of the United States.
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