What is it about?

We looked at how adults perceive children's productions of the "s" and "sh" sounds (two sounds that are later acquired and which occur in lots of words of English), and how they respond to children when they make errors on these sounds. We created a computerized experiment that mimicked an adult-child interaction, and found that adults produce clearer tokens of "s" and "sh" to children after hearing productions by children that they rated as incorrect

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Why is it important?

Speech sound acquisition is a complex task. It involves lots of different skills, and occurs in a social context. We know relatively little about how the speech to children changes in different interactions, and across different pairs of adults and children. The findings in this paper suggest that the speech that parents produce to children might be very different depending on how accurately the child they are speaking to produces speech

Perspectives

This study was done as part of a bigger project that a fancy name ("Using Machine Learning Algorithms to Model the Interplay between Production Dynamics and Perception Dynamics during Phonological Acquisition across Languages") and an even fancier goal: to develop computational models of speech sound learning based on large sets of data on children's productions and adults' ratings of the accuracy of those productions.

Prof.l Benjamin Munson
University of Minnesota Twin Cities

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This page is a summary of: Modifying Speech to Children Based on Their Perceived Phonetic Accuracy, Journal of Speech Language and Hearing Research, December 2012, American Speech-Language-Hearing Association (ASHA),
DOI: 10.1044/1092-4388(2012/11-0131).
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