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Related Experiment Videos

Overregularization in language acquisition.

G F Marcus, S Pinker, M Ullman

    Monographs of the Society for Research in Child Development
    |January 1, 1992
    PubMed
    Summary
    This summary is machine-generated.

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    Children

    Area of Science:

    • Psycholinguistics and developmental psychology.
    • Cognitive science and language acquisition.

    Background:

    • Children often overregularize irregular past tense verbs, a phenomenon termed 'U-shaped development'.
    • This behavior raises questions about rule application, exception handling, and cognitive processing models (rule-based vs. connectionist).

    Purpose of the Study:

    • To quantitatively analyze children's overregularization errors in irregular past tense verb usage.
    • To investigate the developmental trajectory and contributing factors of overregularization.

    Main Methods:

    • Analysis of 11,521 irregular past tense utterances from the spontaneous speech of 83 children.
    • Correlation analysis of overregularization rates with parental speech, child speech, and vocabulary.

    Main Results:

    Related Experiment Videos

    • Overregularization errors are infrequent (median 2.5%) and occur at a low, consistent rate from age two into school years.
    • A period of correct irregular verb usage precedes initial overregularization errors.
    • Parental use of irregular forms inversely correlates with child overregularization; similar-sounding irregulars protect verbs from errors.

    Conclusions:

    • Children's grammars are not fundamentally flawed; overregularization is a natural part of learning tense marking.
    • A dual system of memory for irregulars and a rule for regulars explains overregularization when memory retrieval fails.
    • Findings support an associative memory model for irregulars, distinct from regular verb processing.