Effects of articulation training on the production of trained and untrained phonemes in conversations and formal tests |
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| Authors: | Paatsch L E Blamey P J Sarant J Z |
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| Institution: | Department of Otolaryngology, University of Melbourne, 384 Albert Street, East Melbourne, Victoria 3002, Australia (e-mail: l.paatsch@medoto.unimelb.edu.au |
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| Abstract: | The aim of this study was to investigate the effectiveness of articulation training for specific phonemes on the production of phonemes in conversational language samples, the 108 Single Word Articulation Test (Paatsch, 1997), and the Phonetic Level Evaluation (Ling, 1976). Speech production skills of 12 hearing-impaired children were assessed using these evaluation tools pre- and posttraining. A total of six phonemes were selected for each child to be trained during 15-to 20-minute daily sessions throughout an 8-week speech production program. Three phonemes, with a particularly high error rate, were trained at a phonetic level (category 1) while three phonemes, with an intermediate error rate of 40% to 70%, were trained at a phonological level (category 2). Results showed improvements in the percentage of correctly articulated category 1 phonemes and category 2 phonemes. The improvements for category 2 phonemes were larger than for category 1 phonemes for all test materials. It may be that phonological level training is more effective than phonetic level training or that phonemes with an intermediate error rate are easier to train than phonemes with a high error rate. Untrained vowels and consonants also improved slightly after training. Phonological process analysis showed that many of the errors apparent in the trained phonemes also had occurred in the untrained phonemes. This may have resulted in the generalization and carryover of taught speech skills into other aspects of the child's spoken language. |
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