Abstract
Rasouli & Timmermans1 suggested a model of travel episode satisfaction that includes the degree and nature of multitasking,
activity envelope, transport mode, travel party, duration and a set of contextual and socio-economic variables. In this sequel, the
focus of attention shifts to the analysis of unobserved heterogeneity in the satisfaction ratings. To that end, some variables
included in the original model are randomized, assuming normal distributed random effects The model is estimated using data of
a sample of respondents, who judged their satisfaction of every travel episode they experienced during a multi-week data
collection effort. GPS devices were used to record their travel and impute activity and travel episodes. A Web-based prompted
recall instrument was used to verify and if needed rectify the imputed activity-travel agendas, provide information about the
degree and nature of multitasking behavior whilst travelling, and judge the degree of satisfaction associated with the travel
episodes. Results of the random parameters regression model evidence a substantial amount of unobserved heterogeneity in the
travel episode satisfaction ratings
AbstractRasouli & Timmermans1 suggested a model of travel episode satisfaction that includes the degree and nature of multitasking,activity envelope, transport mode, travel party, duration and a set of contextual and socio-economic variables. In this sequel, thefocus of attention shifts to the analysis of unobserved heterogeneity in the satisfaction ratings. To that end, some variablesincluded in the original model are randomized, assuming normal distributed random effects The model is estimated using data ofa sample of respondents, who judged their satisfaction of every travel episode they experienced during a multi-week datacollection effort. GPS devices were used to record their travel and impute activity and travel episodes. A Web-based promptedrecall instrument was used to verify and if needed rectify the imputed activity-travel agendas, provide information about thedegree and nature of multitasking behavior whilst travelling, and judge the degree of satisfaction associated with the travelepisodes. Results of the random parameters regression model evidence a substantial amount of unobserved heterogeneity in thetravel episode satisfaction ratings
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