Abstract
The ratio of closants-to-vocants (C: V), a phonetic diversity estimator proposed by the ethologic model of phonetic development, was examined to test the 'closant curve' hypothesis (Bauer, 1988). The closant curve reflects a regular increase in the ratio of consonants (closants) to vowels (vocants) in early vocal and speech productions of young children. C:V ratios were plotted for seven children's monthly vocalizations covering the period of 8 to 25 months of life. The results revealed a closant curve developmental function, reflecting a systematic increase in closant use according to chronological age. The hypothesis was further tested and validated in the vocalizations of a cross-sectional sample of 21 children. The findings support the closant curve hypothesis and the application of an ethologic model to evaluate early phonetic development.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 339-353 |
| Number of pages | 15 |
| Journal | Clinical Linguistics and Phonetics |
| Volume | 5 |
| Issue number | 4 |
| DOIs | |
| State | Published - 1991 |
All Science Journal Classification (ASJC) codes
- Language and Linguistics
- Linguistics and Language
- Speech and Hearing
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