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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The Demand for Non-Work travel
- R. Vickerman
- May 1972
- Vol. 6
- No. 2
- Page 176
The Demand for Non-Work travel
- R. Vickerman
- May 1972
- Vol. 6
- No. 2
- Page 176
From National travel Survey data the author builds generation models for shopping, recreational, social and pleasure trips for each of four regions. trip making is found to be sensitive to factors such as car ownership, accessibility of transport and types of areas, but affects different groups of people and in different regions, to different degrees.
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