Möbus, Claus (1979) Zur Analyse nichtsymmetrischer Ähnlichkeitsurteile : ein dimensionales Driftmodell, eine Vergleichshypothese, Tversky's Kontrastmodell und seine Fokushypothese. Archiv für Psychologie, 131. pp. 105-136. ISSN 0066-6475

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Often the similarity between Ss and objects is judged in a nonsymmetric way. Nearly all methods (multidimensional scaling) assume symmetric data. Nonsymmetries are related to the nonreliability of judgements. Tversky (1976a) proposed a set-theoretic contrast model and focus hypothesis which want to describe and explain nonsymmetric similarity judgements. It is the purpose of this paper to show that the multidimensional scaling methods can take into account nonsymmetries, too. This is done by proposing a driftmodel and a comparison hypothesis. The driftmodel incorporates some ideas of Lewin's field theory, whereas the comparison hypothesis leans heavily on feature matching theory. Both approaches are compared using Rothkopf's Morse code data ("percent-same-judgments"). In the last part of the paper we discuss some psychological and heuristic problems when testing axioms of measurement models.

Item Type: Article
Uncontrolled Keywords: similarity judgements, nonsymmetric similarities, multidimensional scaling, Tversky's set-theoretic contrast model, Tversky's focus hypothesis, driftmodel, comparison hypothesis, Lewin's field theory, feature-matching theory, Rothkopf's Morse code data, axioms of measurement models
Subjects: Generalities, computers, information > Computer science, internet
Philosophy and psychology > Psychology
Divisions: School of Computing Science, Business Administration, Economics and Law > Department of Computing Science
Date Deposited: 03 Nov 2015 12:00
Last Modified: 03 Nov 2015 12:00
URI: https://oops.uni-oldenburg.de/id/eprint/2540
URN: urn:nbn:de:gbv:715-oops-26213

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