Maximum likelihood difference scaling

Laurence T. Maloney, Nam Yang Joong

Research output: Contribution to journalArticlepeer-review


We present a stochastic model of suprathreshold perceptual differences based on difference measurement. We develop a maximum likelihood difference scaling (MLDS) method for estimating its parameters and evaluate the reliability and distributional robustness of the fitting method. We also describe a method for testing whether the difference measurement model is appropriate as a description of human judgment of perceptual differences in any specific experimental context.

Original languageEnglish (US)
Pages (from-to)573-585
Number of pages13
JournalJournal of vision
Issue number8
StatePublished - Oct 7 2003


  • Difference scaling
  • Proximity
  • Salience
  • Sensory magnitude
  • Similarity

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems


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