Testing a unidimensional, qualitative unfolding model for attitudinal or developmental data

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Abstract

Assuming that subject responses rank order stimuli by preference, statistical methods are presented for testing the hypothesis that responses conform to a unidimensional, qualitative unfolding model and to an a priori stimulus ordering. The model postulates that persons and stimulus variables are ordered along a single continuum and that subjects most prefer stimuli nearest their own position. The underlying continuum need not form an interval scale of the stimulus attribute. The general assumptions of the test for the unfolding model make it suitable for the analysis of structure in attitude responses, preference data, and developmental stage data.

Original languageEnglish (US)
Pages (from-to)179-194
Number of pages16
JournalPsychometrika
Volume44
Issue number2
DOIs
StatePublished - Jun 1 1979

Keywords

  • chi square
  • contingency tables
  • independence
  • psychological scaling

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