Latent variables in a travel mode choice model : attitudinal and behavioural indicator variables.

Auteur(s)
Johansson, M.V. Heldt, T. & Johansson, P.
Jaar
Samenvatting

In a travel mode choice context, we use survey data to construct and test the significance of five individual specific latent variables - environmental preferences, safety, comfort, convenience and flexibility - postulated to be important for modal choice. Whereas the construction of the safety and environmental preference variables is based on behavioural indicator variables, the construction of the comfort, convenience and flexibility variables is based on attitudinal indicator variables. Our main findings are that the “latent variables enriched” discrete choice model outperforms the traditional discrete choice model and that the construct reliability of the “attitudinal ” latent variables is higher than that of the “behavioural” latent variables. Important f or the choice of travel mode are modal travel time and cost and the individual’s preferences for flexibility and comfort as well as her environmental preferences (Author/publisher)

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Publicatie

Bibliotheeknummer
20040491 ST [electronic version only]
Uitgave

Linköping, Swedish National Road and Transport Research Institute VTI, 2004, 35 p., 53 ref.; VTI notat 6A-2004

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