Louis Leon Thurstone in Monte Carlo: creating error bars for the method of paired comparison

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dc.contributor.author Montag, Ethan en_US
dc.date.accessioned 2007-07-05T15:12:18Z en_US
dc.date.available 2007-07-05T15:12:18Z en_US
dc.date.issued 2003-12 en_US
dc.identifier.citation Image Quality and System Performance 5294 (2003) 222-230 en_US
dc.identifier.issn 0277-786X en_US
dc.identifier.uri http://hdl.handle.net/1850/4328 en_US
dc.description RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
dc.description.abstract The method of paired comparison is often used in experiments where perceptual scale values for a collection of stimuli are desired, such as in experiments analyzing image quality. Thurstone’s Case V of his Law of Comparative Judgments is often used as the basis for analyzing data produced in paired comparison experiments. However, methods for determining confidence intervals and critical distances for significant differences based on Thurstone’s Law have been elusive leading some to abandon the simple analysis provided by Thurstone’s formulation. In order to provide insight into this problem of determining error, Monte Carlo simulations of paired comparison experiments were performed based on the assumptions of uniformly normal, independent, and uncorrelated responses from stimulus pair presentations. The results from these multiple simulations show that the variation in the distribution of experimental results of paired comparison experiments can be well predicted as a function of stimulus number and the number of observations. Using these results, confidence intervals and critical values for comparisons can be made using traditional statistical methods. In addition the results from simulations can be used to analyze goodness-of-fit techniques. en_US
dc.description.sponsorship none en_US
dc.language.iso en_US en_US
dc.publisher The International Society for Optical Engineering (SPIE) en_US
dc.relation.ispartofseries vol. 5294 en_US
dc.subject Paired comparison en_US
dc.subject Psychophysics en_US
dc.subject Thurstone’s Law of Comparative Judgments en_US
dc.title Louis Leon Thurstone in Monte Carlo: creating error bars for the method of paired comparison en_US
dc.type Article en_US
dc.identifier.url http://dx.doi.org/10.1117/12.526215

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