On a metric, unidimensional unfolding model for attitudinal and developmental data

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Abstract

If stimulus responses are linearly related to squared distances between stimulus scale values and person scores along a latent continuum, (a) the stimulus × stimulus correlation matrix will display a simplex-like pattern, (b) the signs of first-order partial correlations can be specified in an empirically testable manner, and (c) the variables will have a semicircular, two-factor structure. Along the semicircle, variables will be ordered by their positions on the latent dimension. The above results suggest procedures for examining the appropriateness of the model and procedures for ordering the stimuli. Applications to developmental and attitudinal data are discussed.

Original languageEnglish (US)
Pages (from-to)523-548
Number of pages26
JournalPsychometrika
Volume42
Issue number4
DOIs
StatePublished - Dec 1 1977

Keywords

  • attitudes
  • factor analysis
  • personality development
  • preferences
  • psychological scaling
  • utility theory

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