A Probabilistic Multidimensional Scaling Vector Model

Wayne S. Desarbo, Richard L. Oliver, Geen de Soete

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


This article presents the development of a new sto chastic multidimensional scaling (MDS) method, which operates on paired comparisons data and renders a spatial representation of subjects and stimuli. Subjects are represented as vectors and stimuli as points in a T- dimensional space, where the scalar products, or pro jections of the stimulus points onto the subject vec tors, provide respective information as to the utility (or whatever latent construct is under investigation) of the stimuli to the subjects. The psychometric literature concerning related MDS methods that also operate on paired comparisons data is reviewed, and a technical description of the new method is provided. A small monte carlo analysis performed on synthetic data with the new method is also presented. To illustrate the versatility of the model, an application measuring con sumer satisfaction and investigating the impact of hy pothesized determinants, using one of the optional re parameterized models, is described. Future areas of further research are identified.

Original languageEnglish (US)
Pages (from-to)79-98
Number of pages20
JournalApplied Psychological Measurement
Issue number1
StatePublished - Mar 1986

All Science Journal Classification (ASJC) codes

  • Social Sciences (miscellaneous)
  • Psychology (miscellaneous)


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