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{
    "pk": 29399,
    "title": "The latent factor structure of developmental change in early childhood",
    "subtitle": null,
    "abstract": "Piaget proposed that development proceeded in stages; morerecently researchers have proposed modular theories in whichdifferent abilities develop on their own timetable. Despite theabundance of theory, there is little empirical work on the struc-ture of developmental changes in early childhood. We inves-tigate this question using a large dataset of parent-reporteddevelopmental milestones. We compare a variety of factor-analytic item response theory models and find that variationin development from birth to 55 months of age is best de-scribed by a model with three distinct dimensions. We alsofind evidence that dimensionality increases across age, withthe youngest children described by a two-factor model. Theseresults provide a model-based method for linking holistic de-scriptions of early development to basic theoretical questionsabout the nature of change in childhood.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "child development; milestones; item response the-ory; model comparison"
        }
    ],
    "section": "Facets of Cognition",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/1j4225wf",
    "frozenauthors": [
        {
            "first_name": "Benjamin",
            "middle_name": "A.",
            "last_name": "Stenhaug",
            "name_suffix": "",
            "institution": "Stanford",
            "department": ""
        },
        {
            "first_name": "Michael",
            "middle_name": "C.",
            "last_name": "Frank",
            "name_suffix": "",
            "institution": "Stanford",
            "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/29399/galley/19259/download/"
        }
    ]
}