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KMID : 1036820150200030355
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Communication Sciences & Disorders
2015 Volume.20 No. 3 p.355 ~ p.363
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The Validity and Reliability of the Korean Version of the Developmental Snapshot
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Pae So-Yeong
Yoon Hyo-Jin
Seol Ah-Young
Jill Gilkerson
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Abstract
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Objectives: It is important to identify young children with language delay or children who are at risk of language delay. This study explores the validity and reliability of the Korean version of Developmental Snapshot (K-SNAP) which can be used effectively as a screening and monitoring tool of early language development.
Methods: The 52-item questionnaire of the developmental snapshot was adapted into Korean by substituting 10 items. To establish the developmental validity of the K-SNAP, developmental differences in 3-month age intervals were measured in 1,515 children age 4 months to 36 months. To identify the concurrent validity of the K-SNAP, the Pearson product-moment correlation was used with the Korean version of MacArthur-Bates Communicative Development Inventories (K M-B CDI), Korean Bayley Scales of Infant Development-II (Korean Bayley II), and spontaneous speech data. The internal consistency of items and test-retest reliability were calculated.
Results: Developmental differences in every 3-month interval on the K-SNAP were clearly evident. There were significant correlations between K-SNAP scores and K M-B CDI scores. Korean Bayley II and spontaneous utterance data were significantly correlated with the K-SNAP score. Items showed high internal consistency and test-retest results were highly correlated.
Conclusion: K-SNAP can be used as a valid and reliable tool to screen and monitor early language and communication development in conjunction with the Korean Developmental Screening Test for Infants and Children (K-DST) and K M-B CDI. Further studies are needed to detail the sensitivity and specificity of K-SNAP.
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KEYWORD
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Early language and communication, Screening, Korean Snapshot, Validity, Reliability
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