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{
    "pk": 30893,
    "title": "Is There a Default Similarity Distance for Categories?",
    "subtitle": null,
    "abstract": "How do people decide whether or not an item belongs to a new category, the variability o-f which they do not know We postulate that people have a de-fault similarity distance (DSD) which they use when no other in-formation about the variability o-f a category is available. To test our claim, subjects were asked to tell how they would instruct a being from another world to distinguish members o-f a category, by shoMnng pictures. The categories were from different levels thus dif-fering in variability. For highly variable categories subjects tended to present multiple positive instances (thus indicating their extraordinary variability), whereas -for narrow categories they tended to present negative instances (thus explicitly delimiting them). These results indicated that a norm, relative to which additional in-formation is supplied, lay in between. Indeed, there was a level at which subjects apparently relied on DSD, -finding it sufficient to show but a single exemplar of the categor/. This happened with basic-level categories -for 3th graders and adults and with subordinate categories -for 2nd graders, thus demonstrating a developmental trend in what is considered a normal standard category.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Paper Presentations -- Group 1: Reasoning",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/4pb2r17m",
    "frozenauthors": [
        {
            "first_name": "Yaakov",
            "middle_name": "",
            "last_name": "Kareev",
            "name_suffix": "",
            "institution": "The Hebrew University of Jersualem",
            "department": ""
        },
        {
            "first_name": "Judith",
            "middle_name": "",
            "last_name": "Avrahami",
            "name_suffix": "",
            "institution": "The Hebrew University of Jersualem",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "1990-01-01T18:00:00Z",
    "render_galley": null,
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            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/30893/galley/20742/download/"
        }
    ]
}