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KMID : 1036820190240041040
Communication Sciences & Disorders
2019 Volume.24 No. 4 p.1040 ~ p.1053
Comparisons among Single-Word Tests for Korean Speech Sounds and Results of Assessment for Children with Speech Sound Disorders
Yi Roo-Dah

Kim Soo-Jin
Abstract
Objectives: This study provides readers with information about the stimulus words of 4 Korean standardized tests for speech sound production and compares test results of children with speech sound disorders through the 4 tests.

Methods: In Experiment 1, 4 tests were conducted on 15 children who have speech sound disorders. The test results were compared in terms of percentage of consonants correct (PCC) and standard deviation score. In Experiment 2, the stimulus words of the 4 tests were compared in terms of complexity and the number of opportunities for production of consonants Children¡¯s phonetic inventories were also compared.

Results: In Exoperiment 1, there were significant correlations among the PCC of whole words in the 4 tests and the PCC of target phonemes in the 4 tests. However, the range of standard deviation in which children were included, and phonetic inventories varied with each test. In Experiment 2, the 4 tests provided different numbers of opportunities for production of consonants across each word position. None of the tests provided more than two opportunities for the production of each consonant. The tests varied in terms of phonological mean length of utterance (PMLU) of words that elicited the production of each of the consonants, and this led to differences in children¡¯s phonetic inventories.

Conclusion: The results of this study provide clinicians with information that can assist them in selecting the ideal test for their clients. This study showed that there are limitations that exist in the current standardized tests for completing phonetic inventories. Clinicians will need to understand these limitations and conduct additional supplemental tests to compensate for the shortcomings.
KEYWORD
Speech sound disorder, Standardized test, Stimulus word, Phonetic inventory
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