Quest: A Bayesian adaptive psychometric method

Andrew B. Watson, Denis G. Pelli

Research output: Contribution to journalArticlepeer-review


An adaptive psychometric procedure that places each trial at the current most probable Bayesian estimate of threshold is described. The procedure takes advantage of the common finding that the human psychometric function is invariant in form when expressed as a function of log intensity. The procedure is simple, fast, and efficient, and may be easily implemented on any computer.

Original languageEnglish (US)
Pages (from-to)113-120
Number of pages8
JournalPerception & Psychophysics
Issue number2
StatePublished - Mar 1983

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • General Psychology
  • Sensory Systems


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