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{
    "pk": 26915,
    "title": "More Siblings Means Lower Input Quality in Early Language Development",
    "subtitle": null,
    "abstract": "Previous research has suggested that first-born infants acquire words faster than their later-born peers (Berglund etal., 2005), but may have some disadvantages in other aspects of syntactic and socio-communicative development (e.g. Hoff,2006). Here we analyzed infants’ early lexical development alongside their caregiver input from 6-18 months, in relation to howmany siblings they have. We find that having more siblings (rather than being first- or later-born) has a gradient and negativerelationship with infants’ language development. This affect appears to be manifested in caregiver input: across three differentmeasures of input quality/quantity, disadvantages were found for infants with more siblings. Having a larger number of siblingsdiminished the quality of the input and led to slower overall lexical development. Implications for language development andlearning within dyadic and multi-member contexts are discussed.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Talks: Papers",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/6rx2z8pn",
    "frozenauthors": [
        {
            "first_name": "Catherine",
            "middle_name": "",
            "last_name": "Laing",
            "name_suffix": "",
            "institution": "Duke University",
            "department": ""
        },
        {
            "first_name": "Elika",
            "middle_name": "",
            "last_name": "Bergelson",
            "name_suffix": "",
            "institution": "Duke University",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2017-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/26915/galley/16551/download/"
        }
    ]
}