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{
    "pk": 29927,
    "title": "The spatial arrangement method of measuring similarity can capture high-dimensional, semantic structures",
    "subtitle": null,
    "abstract": "Despite its centrality to cognition, similarity is expensive tomeasure, spurring development of techniques like the SpatialArrangement Method (SpAM), wherein participants placeitems on a 2-dimensional plane such that proximity reflectssimilarity. While SpAM hastens similarity measurement, itssuitability for higher-dimensional stimuli is unknown. InStudy 1, we collected SpAM data for eight differentcategories composed of 20-30 words each. Participant-aggregated SpAM distances correlated strongly (r=.71) withpairwise similarity judgments, although below SpAM andpairwise judgment split-half reliabilities (r’s>.9), and cross-validation with multidimensional scaling fits at increasingdimensionalities suggested that aggregated SpAM datafavored higher dimensional solutions for 7 of the 8 categories.In study 2, we showed that SpAM can recover the Big Fivefactor space of personality traits, and that cross-validationfavors a four- or five-dimension solution on this dataset. Weconclude that SpAM is an accurate and reliable method ofmeasuring similarity for high-dimensional items.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "similarity; multidimensional scaling; spatialcognition; concepts; traits; Big Five"
        }
    ],
    "section": "Poster Session 3",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/5h6337nk",
    "frozenauthors": [
        {
            "first_name": "Russell",
            "middle_name": "",
            "last_name": "Richie",
            "name_suffix": "",
            "institution": "University of Pennsylvania",
            "department": ""
        },
        {
            "first_name": "Bryan",
            "middle_name": "",
            "last_name": "White",
            "name_suffix": "",
            "institution": "New Mexico State University",
            "department": ""
        },
        {
            "first_name": "Sudeep",
            "middle_name": "",
            "last_name": "Bhatia",
            "name_suffix": "",
            "institution": "University of Pennsylvania",
            "department": ""
        },
        {
            "first_name": "Michael",
            "middle_name": "C.",
            "last_name": "Hout",
            "name_suffix": "",
            "institution": "New Mexico State University",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2020-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/29927/galley/19781/download/"
        }
    ]
}