Vowel use of phonologically disordered identical twin boys: a case study.

@article{Watson1994VowelUO,
  title={Vowel use of phonologically disordered identical twin boys: a case study.},
  author={Marie May Watson and David W Martineau and Deana Hughes},
  journal={Perceptual and motor skills},
  year={1994},
  volume={79 3 Pt 2},
  pages={
          1587-97
        }
}
Very little is known about the vowel systems of phonologically disordered children. This study provides longitudinal data regarding vowel use of identical twin boys between the ages of 3;5 and 4;9. The boys were identified as phonologically disordered; however, their parents chose not to enroll them in therapy. Vowel-use information was taken from spontaneous language samples. It was discovered that initially their phonological disorder also affected their vowel systems, but as their… CONTINUE READING
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