Journal
CLINICAL LINGUISTICS & PHONETICS
Volume 35, Issue 12, Pages 1161-1183Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/02699206.2020.1869834
Keywords
Vowels; phonology; speech errors; speech sound disorder
Funding
- National Institutes of Health [NIDCD R21DC016142]
- National Institute on Deafness and Other Communication Disorders [R21DC016142]
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Children with vowel errors on standardized single-word tests of speech accuracy may benefit from further vowel probes to determine how vowel and consonant errors interact in their phonological systems for more targeted therapy.
Eighty-four children, age 4-5 years, with and without speech sound disorder (SSD) completed a battery of standardized speech and language tests, including the Goldman-Fristoe Test of Articulation, Third Edition (GFTA-3). Children with SSD produced more vowel errors than children with typical speech abilities. Percentage vowels correct and consonant error variability were highly correlated, suggesting that poorly specified phonological representations affect both consonants and vowels within a child's phonological system. However, the GFTA-3 did not contain sufficient target words to determine full vowel inventory. Using words from the GFTA-3, we present a case study of a child with vowel errors along with a sample analysis of these errors, primarily in terms of consonant-vowel feature interactions. Children who exhibit vowel errors on standardized single-word tests of speech accuracy may benefit from further vowel probes to determine how vowel and consonant errors interact in their phonological systems for more targeted therapy.
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