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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A Comparison of Revealed Preference and Stated Preference Models of travel Behaviour
- M. Wardman
- January 1988
- Vol. 22
- No. 1
- Page 71
A Comparison of Revealed Preference and Stated Preference Models of travel Behaviour
- M. Wardman
- January 1988
- Vol. 22
- No. 1
- Page 71
Individuals' stated preferences are found to be a reasonably accurate guide to true underlying preferences. When the RP and SP models are segmented according to socio-economic factors, there is a high degree of correspondence between them.
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