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KMID : 1036820150200020290
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Communication Sciences & Disorders
2015 Volume.20 No. 2 p.290 ~ p.303
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Standardization of the Language Scale for School-Aged Children (LSSC)
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Lee Yoon-Kyoung
Heo Hyun-Sook
Jang Seung-Min
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Abstract
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Objectives: While the number of school-aged children who need speech-language therapy has been increasing recently, standardized language tests for identifying those with language disorders are still limited. The present study aimed to develop a standardized language test for school-aged children, the Language Scale for School-aged Children (LSSC).
Methods: The study was conducted as follows: composing subtests and developing items based on literature reviews, analyzing the validity of the test and discriminant and difficulty of items, revising the test through two preliminary examinations (1st N=178, 2nd N=182), and standardizing the test (LSSC) with 700 children samples.
Results: The LSSC demonstrated high concurrent validity with the REVT-R/-E and high construct validity measured by the correlation of the language quotients of the LSSC and subtests. The reliability was measured by internal consistency, split-half, and test-retest methods which showed that the LSSC is highly reliable test.
Conclusion: Results are discussed in terms of developing the procedures, and the validity and reliability of the test. The LSSC will be useful for identifying school-aged children with language disorders as well as for assessing the language ability of school-aged children.
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KEYWORD
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Language Scale for School-aged Children, LSSC, Standardized test, Reliability, Validity
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