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Articulation development in children aged two to four years.

E M Prather, D L Hedrick

    The Journal of Speech and Hearing Disorders
    |May 1, 1975
    PubMed
    Summary
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    This study on children's articulation skills found earlier sound and feature development than previous research. However, the overall developmental sequences remained consistent across studies.

    Area of Science:

    • Speech-language pathology
    • Developmental linguistics
    • Childhood communication disorders

    Background:

    • Understanding typical speech sound acquisition is crucial for identifying developmental delays.
    • Classical studies provide a baseline for phonological development.
    • Distinctive feature analysis offers insights into the underlying linguistic rules children acquire.

    Purpose of the Study:

    • To assess the articulation skills of children aged 24-48 months.
    • To compare current findings with historical data on speech sound development.
    • To evaluate the progression of distinctive feature usage in young children.

    Main Methods:

    • Articulation skills of 147 children (24-48 months) were systematically evaluated.
    • Results were benchmarked against established classical phonological studies.

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  • Analysis focused on the emergence of specific speech sounds and distinctive features.

    • Main Results:

    • Children in this study demonstrated correct sound and feature usage at earlier ages than reported in prior research.
    • The general developmental sequences for speech sound acquisition were highly consistent with previous studies.
    • Earlier emergence of phonological processes was observed.

    Conclusions:

    • Childhood speech sound development may occur earlier than previously documented.
    • The fundamental order of phonological development appears robust and consistent.
    • These findings have implications for early identification and intervention in speech-language pathology.