QUEST+: A general multidimensional Bayesian adaptive psychometric method
Author(s) -
Andrew B. Watson
Publication year - 2017
Publication title -
journal of vision
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.126
H-Index - 113
ISSN - 1534-7362
DOI - 10.1167/17.3.10
Subject(s) - psychometric function , computerized adaptive testing , bayesian probability , thurstone scale , computer science , categorical variable , psychophysics , parametric statistics , mathematics , statistics , perception , artificial intelligence , algorithm , psychometrics , psychology , neuroscience
QUEST+ is a Bayesian adaptive psychometric testing method that allows an arbitrary number of stimulus dimensions, psychometric function parameters, and trial outcomes. It is a generalization and extension of the original QUEST procedure and incorporates many subsequent developments in the area of parametric adaptive testing. With a single procedure, it is possible to implement a wide variety of experimental designs, including conventional threshold measurement; measurement of psychometric function parameters, such as slope and lapse; estimation of the contrast sensitivity function; measurement of increment threshold functions; measurement of noise-masking functions; Thurstone scale estimation using pair comparisons; and categorical ratings on linear and circular stimulus dimensions. QUEST+ provides a general method to accelerate data collection in many areas of cognitive and perceptual science.
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