Preliminary analysis of stated preference experiment design focusing on response formats-the case of travel behaviour analysis-

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This study analysed stated preference experiment design in travel behaviour analysis focusing on response formats such as choice and double-bounded formats. Analyses using existing data showed that double-bounded model outperformed choice one in the efficiency of parameter estimates. The study also provides insights into the characteristics of the 1st- and the 2nd-bound responses of the double-bounded data. In addition, examining artificial data gave insights into the relationships between the attributes' levels of two bounds of double-bounded experiment design and estimation efficiency.