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{
    "pk": 25455,
    "title": "A Dissociation between Categorization and Similarity to Exemplars",
    "subtitle": null,
    "abstract": "Research in category learning has been dominated by a\n‘reference point’ view in which items are classified based on\nattention-weighted similarity to reference points (e.g.,\nprototypes, exemplars, clusters) in a multidimensional space.\nAlthough much work has attempted to distinguish between\nparticular types of reference point models, they share a core\ndesign principle that items will be classified as belonging to\nthe category of the most proximal reference point(s). In this\npaper, we present an original experiment challenging this\ndistance assumption. After classification training on a\nmodified XOR category structure, we find that many learners\ngeneralize their category knowledge to novel exemplars in a\nmanner that violates the distance assumption. This pattern of\nperformance reveals a fundamental limitation in the reference\npoint framework and suggests that stimulus generalization is\nnot a reliable foundation for explaining human category\nlearning.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "Categorization"
        },
        {
            "word": "Generalization"
        },
        {
            "word": "formal modeling"
        }
    ],
    "section": "Papers",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/7qv0k2zj",
    "frozenauthors": [
        {
            "first_name": "Nolan",
            "middle_name": "",
            "last_name": "Conaway",
            "name_suffix": "",
            "institution": "Department of Psychology, Binghamton University",
            "department": ""
        },
        {
            "first_name": "Kenneth",
            "middle_name": "J",
            "last_name": "Kurtz",
            "name_suffix": "",
            "institution": "Department of Psychology, Binghamton University",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2015-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/25455/galley/15079/download/"
        }
    ]
}