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KMID : 1036820130180030277
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Communication Sciences & Disorders
2013 Volume.18 No. 3 p.277 ~ p.287
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Non-Word Repetition and Sentence Repetition Performance in 2?3 Years Old Late Talkers and Normal Children
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Oh Da-Yeon
Yim Dong-Sun
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Abstract
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Objectives: The purposes of this study were to compare the non-word repetition and sentence repetition performance in late talkers compared to normal children, and to investigate the correlation among non-word repetition, sentence repetition and various other factors.
Methods: A total of 40 children composed of 20 late talkers aged from 2 to 3 years old and 20 normal children participated in this study.
Results: The results were as follows: a 2-way mixed ANOVA result at each syllable length showed that there was no significant difference on the non-word repetition performance between late talkers and normal children. However both group exhibited a word length effect: as the length of non-words increased, children’s performance (percent accuracy of repeating non-words) decreased. On the sentence repetition task, normal children significantly outperformed late talkers. Correlation analysis showed that the non-word repetition performance was significantly correlated with chronological age and sentence repetition performance in normal children. However, in late talkers the non-word repetition performance was significantly correlated with the percent of correct consonant on a standardized articulation test and sentence repetition performance.
Conclusion: These results suggest that the sentence repetition performance may be more reliable than the non-word repetition task for accurately identifying late talkers.
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KEYWORD
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Non-word repetition, Sentence repetition, Late talker, Phonological memory
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