The role of linguistic perception in later phonological development  

Oleh:

Velleman, Shelley L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Applied Psycholinguistics vol. 9 no. 3 (1988), page 221-236.

Ketersediaan

Perpustakaan PKBB Nomor Panggil: 405/APP/9 Non-tandon: tidak ada Tandon: 1

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Isi artikel

This study tested the hypothesis that certain sound substitutions in older, nonnally developing children are perceptually based substitutions, typified by poor discrimination, while others are phonetic substitutions - phonemic distinctions that are maintained by the child in a phonetically nonadult fashion. The perception and production of English voiceless fricatives in twelve nonnally developing monolingual children aged 3;2-5;6 was investigated using a picture-pointing task, audio recordings, and acoustic analysis. Results include significant correlations between production and perception scores for /e/ but not /s/ and significant acoustic differences in substitutions of [e] for /s/ (versus productions of [e] for /el) but not in substitutions of [t] or [s] for /e/. It is suggested that substitutions for /e/, with the correlated poor discrimination, may indicate a non-adult phonemic representation, while substitutions for /s/ tend to have a motoric basis in older children. Stages in the acquisition of /e/ are hypothesized.

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