Identification of Vowel Speech Sounds by Skilled and Less Skilled Readers and the Relation with Vowel Spelling

Reading and spelling errors of vowels are reported in many studies (Bryson and Werker 1989; Fowler, Liberman, and Shankweiler 1977; Fowler, Shankweiler, and Liberman 1979; Goswami 1993; Landerl, Wimmer, and Frith 1997; Shankweiler and Liberman 1972). The present study tested the hypothesis that spel...

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Bibliographic Details
Published in:Annals of dyslexia 1999-01, Vol.49 (1), p.161-194
Main Authors: Post, Yolanda V., Swank, Paul R., Hiscock, Merrill, Fowler, Anne E.
Format: Article
Language:English
Subjects:
Children
Consonants
Dyslexia
Elementary Education
Elementary School Students
Orthographies
PART III: Phonology and Spelling
Phonemes
Phonetics
Phonology
Reading Ability
Reading Difficulties
Spelling
Syllables
Vowels
Words
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Summary:Reading and spelling errors of vowels are reported in many studies (Bryson and Werker 1989; Fowler, Liberman, and Shankweiler 1977; Fowler, Shankweiler, and Liberman 1979; Goswami 1993; Landerl, Wimmer, and Frith 1997; Shankweiler and Liberman 1972). The present study tested the hypothesis that spelling errors involving vowels are linked to difficulties in vowel perception. Second to fourth graders (total n = 155) were divided into five groups according to reading skill and were tested on a variety of measures involving vowel identification, vowel discrimination, and vowel spelling. Despite little difficulty on the vowel discrimination tasks, participants made many errors on the vowel identification measures. Vowel identification errors were linearly associated with reading skill with least skilled readers having significantly more difficulty with stressed "short" vowels as in dip than with stressed "long" vowels as in deep, presented in identical contexts. Vowel identification errors were also associated with vowel spelling errors. It is hypothesized that errors in vowel spelling may relate to weak access to the phoneme at the oral language level and may indicate a lack of constancy in the representation of vowels by less skilled readers. Weaknesses in vowel perception can be detected with a simple vowel identification test in which phonological similarity of test items is used as linguistic manipulation, and where phonemes must be identified based on presentation of a single test item in a forced choice format.
ISSN:0736-9387
1934-7243
DOI:10.1007/s11881-999-0023-z