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Comparative scaling of unidimensional discrimination and similarity data

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Abstract

Scales constructed from paired-comparison designs under Thurstone's Case V model are discussed in relation to those derived from similarity data by means of the Unilateral Law of Comparative Judgment [3]. Factors inherent in the triadic similarity task are then considered with respect to scale invariance across experimental designs. Illustrative data, although revealing the influence of these factors upon similarity response consistency, indicate the similarity scale to be somewhat robust to their biasing effects.

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Authors and Affiliations

  1. Oregon Research Institute, Eugene, Oregon

    Gordon G. Bechtel

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  1. Gordon G. Bechtel
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Additional information

This research was supported in part by National Institute of Mental Health Grant MH-04439-05.

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Bechtel, G.G. Comparative scaling of unidimensional discrimination and similarity data. Psychometrika 31, 75–84 (1966). https://doi.org/10.1007/BF02289459

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  • DOI: https://doi.org/10.1007/BF02289459

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