Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/89611
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dc.contributor.authorDry, M.en
dc.contributor.authorFontaine, E.en
dc.date.issued2014en
dc.identifier.citationThe Journal of Problem Solving, 2014; 7(1):84-97en
dc.identifier.issn1932-6246en
dc.identifier.issn1932-6246en
dc.identifier.urihttp://hdl.handle.net/2440/89611-
dc.description.abstractThe Travelling Salesperson Problem (TSP) is a computationally difficult combinatorial optimization problem. In spite of its relative difficulty human solvers are able to generate close-to-optimal solutions in a close-to-linear time frame, and it has been suggested that this is due to the visual system’s inherent sensitivity to certain geometric properties of TSP stimuli. In the current study we employed a novel experimental paradigm in which we presented participants with sets of four TSP stimuli that varied in terms of their relative solution difficulty and asked them to indicate which of the four stimuli they would prefer to solve. The results indicated that the participants’ choice frequencies followed the same ordering as the stimuli’s empirical solution difficulty; i.e., easy-to-solve stimuli were chosen with a higher frequency than hard-to-solve stimuli. It is suggested that these results provide further evidence of the speed and efficiency of human processing of TSPs, and provide further evidence implicating the role of rapid visuo-perceptual organization in generating TSP solutions. An analysis of the geometric properties of the stimuli uncovered a number of factors that may have influenced the choice preferences of participants in the current experiment, and the performance quality of participants in previous experiments.en
dc.description.statementofresponsibilityMatthew J. Dry, Elizabeth L. Fontaineen
dc.language.isoenen
dc.publisherPurdue University Pressen
dc.titleFast and efficient discrimination of traveling salesperson problem stimulus difficultyen
dc.typeJournal articleen
dc.identifier.rmid0030015927en
dc.identifier.doi10.7771/1932-6246.1160en
dc.identifier.pubid158536-
pubs.library.collectionPsychology publicationsen
pubs.library.teamDS01en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Psychology publications

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