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{
    "pk": 49709,
    "title": "The Role of Nonverbal IQ in Diagnosing Developmental Language Disorder in Multilingual Children",
    "subtitle": null,
    "abstract": "Abstract\nPrevious research has been inconsistent in approaching the exclusion criterion of nonverbal IQ when investigating developmental language disorder (DLD) in monolingual and multilingual children. The present study investigates the influence of the controversial low nonverbal IQ range (between one and two standard deviations (SD) below the mean) on lexical and morpho-syntactical abilities. 91 multilingual children, aged 4-8;11, were tested on Crosslinguistic Lexical Task and Sentence Repetition Task in Germany. Data were analyzed using generalized linear mixed models, considering the factors nonverbal IQ, DLD status, age, gender, and length of exposure (LoE) to German. Results show that children with typical language development (TLD) outperformed those with DLD on the LITMUS tests, independent of their nonverbal IQ, supporting the validity of these tools. Language status (TLD/DLD) and LoE had the strongest impact on test performance, exceeding the effect of nonverbal IQ. Regardless of language status, nonverbal IQ affected only receptive vocabulary but not productive vocabulary or morpho-syntax. However, when applying the one SD threshold, its influence shifted from receptive vocabulary to morpho-syntactic abilities. No significant differences were found between average and low nonverbal IQ groups across most tests within the TLD and DLD groups.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [
        {
            "word": "Linguistics; Cognitive development; Language Comprehension; Language Production; Statistics"
        }
    ],
    "section": "Papers with Poster Presentation",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/2s85c5gd",
    "frozenauthors": [
        {
            "first_name": "Jenny",
            "middle_name": "",
            "last_name": "Thillmann",
            "name_suffix": "",
            "institution": "TU Dortmund University",
            "department": ""
        },
        {
            "first_name": "Tina",
            "middle_name": "",
            "last_name": "Ghaemi",
            "name_suffix": "",
            "institution": "TU Dortmund University",
            "department": ""
        },
        {
            "first_name": "Anna-Lena",
            "middle_name": "",
            "last_name": "Scherger",
            "name_suffix": "",
            "institution": "TU Dortmund University",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "2025-01-01T13:00:00-05:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/49709/galley/37671/download/"
        }
    ]
}