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Related Experiment Videos

Transfer of /r/ across contexts.

M Elbert, L V McReynolds

    The Journal of Speech and Hearing Disorders
    |August 1, 1975
    PubMed
    Summary

    Training children on one /r/ allophone led to improvements in other /r/ sounds, suggesting these speech sound variations function as a single response category.

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    Area of Science:

    • Speech-language pathology
    • Phonetics
    • Child language acquisition

    Background:

    • The production of the /r/ sound is complex, with various allophones that can be challenging for children.
    • Understanding how training one allophone affects others is crucial for effective speech therapy.

    Purpose of the Study:

    • To investigate if targeted training of a single /r/ allophone results in generalization to untrained /r/ allophones.
    • To determine if different /r/ allophones belong to the same response class.

    Main Methods:

    • A multiple baseline design was employed with twelve grade school children exhibiting difficulties with /r/, /sigma/, and /gamma/ allophones.
    • Six children received training on a specific /r/ allophone, while six served as controls before receiving training.
    • Generalization to untrained /r/ allophones was assessed post-training.

    Main Results:

    • Most subjects demonstrated increased correct responses across multiple allophonic categories, irrespective of the trained allophone.
    • This suggests that the different allophones of /r/ are not independent but may function as a unified response class.

    Conclusions:

    • Training on a single /r/ allophone can lead to spontaneous improvement in the production of other untrained /r/ allophones.
    • The findings support the hypothesis that various /r/ allophones may constitute a single response class in speech production.

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