作者: Richard M Michaels
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摘要: The following points are made in this discussion; (1) Observed choice behavior is the product of evaluation alternatives terms subjective needs, attitudes, and preferences; (2) This need preference structure an inherent characteristic human that not determinate directly from observed behavior; (3) nature may be inferred by direct measurement attitudes preferences toward qualitative or quantitative dimensions physical social environment; (4) requires a greater concern for measure theory simply because indirect relation between overt covert (5) Within context, variety techniques, both unidimensional multidimensional, have been developed to provide reliable measures (6) caveat objects used, real symbolic, evoke tap psychological domain scale no domain. In summary, as far transportation concerned, trip generation, distribution, mode split represent output behavioral process. Because elements making up process potentially measurable, they appear offer more valid approach prediction travel demand distribution than surrogate measures.