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KMID : 1036820160210040580
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Communication Sciences & Disorders
2016 Volume.21 No. 4 p.580 ~ p.589
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Developing the 3 Sentence Screening Test for Speech Sound Disorders and Prevalence in 6-Year-Old Children
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Kim Soo-Jin
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Abstract
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Objectives: There is no speech sound disorder (SSD) prevalence study in Korea. Adolescents with a history of SSD may experience a negative impact on their language and academic skills even though they no longer exhibit overt articulation errors, especially if their phonological errors have not been resolved by the age of 6. This study aims to estimate the prevalence of SSD in 6-year-old Korean children, and to investigate the accuracy of the 3 Sentence Screening Test.
Methods: To assess speech development, the 3 Sentence Screening Test was administered to 600 children around the age of 6. The utterances were rated on a 4-point scale by clinicians, who then counted the number of errors in consonants/eojeols.
Results: The accuracy of the screening test was best when cut-off score were more than two eojeol errors or more than three consonant errors. There was also a high correlation of .7 between the rating and the number of errors. The prevalence of SSD (rating 4, moderate to severe) in 6-year-old children was 2.3%; and at-risk for SSD (rating 3, borderline to mild) was 5.8%.
Conclusion: The 3 Sentence Screening Test was shown to be a valid test tool for screening the speech development of 6-year-old children. This study provides a preliminary perspective on the prevalence of SSD in Korea.
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KEYWORD
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Speech sound disorders, Screening test, Prevalence, Articulation & phonology disorders
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