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How many exemplars are used? Explorations with the Rex Leopold I model

Maarten De Schryver (UGent) , Katleen Vandist (UGent) and Yves Rosseel (UGent)
(2009) PSYCHONOMIC BULLETIN & REVIEW. 16(2). p.337-343
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Abstract
The goal of this research is to test the hypothesis that a category is not necessarily represented by all observed exemplars, but by a reduced subset of these exemplars. To test this hypothesis, we made use of a study reported by Nosofsky, Clark, and Shin (1989), and replicated their Experiment I in order to gather individual-participant data. Both a full exemplar model and a reduced exemplar model were fit to the data. In general, the fits of the reduced exemplar model were superior to those of the full exemplar model. The results suggest that only a subset of exemplars may be sufficient for category representation.
Keywords
IDENTIFICATION, SIMILARITY, ATTENTION, PROTOTYPE, RECOGNITION, CLASSIFICATION, CATEGORIZATION, DECISION BOUND MODELS, CONTEXT THEORY

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Please use this url to cite or link to this publication:

MLA
De Schryver, Maarten, et al. “How Many Exemplars Are Used? Explorations with the Rex Leopold I Model.” PSYCHONOMIC BULLETIN & REVIEW, vol. 16, no. 2, PSYCHONOMIC SOC INC, 2009, pp. 337–43, doi:10.3758/PBR.16.2.337.
APA
De Schryver, M., Vandist, K., & Rosseel, Y. (2009). How many exemplars are used? Explorations with the Rex Leopold I model. PSYCHONOMIC BULLETIN & REVIEW, 16(2), 337–343. https://doi.org/10.3758/PBR.16.2.337
Chicago author-date
De Schryver, Maarten, Katleen Vandist, and Yves Rosseel. 2009. “How Many Exemplars Are Used? Explorations with the Rex Leopold I Model.” PSYCHONOMIC BULLETIN & REVIEW 16 (2): 337–43. https://doi.org/10.3758/PBR.16.2.337.
Chicago author-date (all authors)
De Schryver, Maarten, Katleen Vandist, and Yves Rosseel. 2009. “How Many Exemplars Are Used? Explorations with the Rex Leopold I Model.” PSYCHONOMIC BULLETIN & REVIEW 16 (2): 337–343. doi:10.3758/PBR.16.2.337.
Vancouver
1.
De Schryver M, Vandist K, Rosseel Y. How many exemplars are used? Explorations with the Rex Leopold I model. PSYCHONOMIC BULLETIN & REVIEW. 2009;16(2):337–43.
IEEE
[1]
M. De Schryver, K. Vandist, and Y. Rosseel, “How many exemplars are used? Explorations with the Rex Leopold I model,” PSYCHONOMIC BULLETIN & REVIEW, vol. 16, no. 2, pp. 337–343, 2009.
@article{604600,
  abstract     = {{The goal of this research is to test the hypothesis that a category is not necessarily represented by all observed exemplars, but by a reduced subset of these exemplars. To test this hypothesis, we made use of a study reported by Nosofsky, Clark, and Shin (1989), and replicated their Experiment I in order to gather individual-participant data. Both a full exemplar model and a reduced exemplar model were fit to the data. In general, the fits of the reduced exemplar model were superior to those of the full exemplar model. The results suggest that only a subset of exemplars may be sufficient for category representation.}},
  author       = {{De Schryver, Maarten and Vandist, Katleen and Rosseel, Yves}},
  issn         = {{1069-9384}},
  journal      = {{PSYCHONOMIC BULLETIN & REVIEW}},
  keywords     = {{IDENTIFICATION,SIMILARITY,ATTENTION,PROTOTYPE,RECOGNITION,CLASSIFICATION,CATEGORIZATION,DECISION BOUND MODELS,CONTEXT THEORY}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{337--343}},
  publisher    = {{PSYCHONOMIC SOC INC}},
  title        = {{How many exemplars are used? Explorations with the Rex Leopold I model}},
  url          = {{http://dx.doi.org/10.3758/PBR.16.2.337}},
  volume       = {{16}},
  year         = {{2009}},
}

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