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KMID : 1036820180230020539
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Communication Sciences & Disorders
2018 Volume.23 No. 2 p.539 ~ p.548
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A Study of Validity and Reliability of the CSBS DP Behavior Sample in Korean Toddlers
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Lee Yoon-Kyoung
Lee Hyo-Joo
Choi Ji-Eun
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Abstract
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Objectives: Communication development during the toddler period provides an important opportunity for earlier identification of toddlers with developmental delays. The Communication and Symbolic Behavior Scale Developmental Profile (CSBS DP) has been known as a valid and reliable instrument for assessing communication skills in early period. This study aimed to examine if the CSBS DP behavior sample is valid and reliable tool for Korean toddlers as well.
Methods: Two hundred ninety typical developing toddlers 12?24 months of age participated and were assessed on the CSBS DP behavior sample and Sequenced Language Scale for Infants (SELSI). SELSI was conducted to assess the concurrent validity of the CSBS DP. The validity and the reliability of the CSBS DP were assessed.
Results: The CSBS DP demonstrated high concurrent validity with SELSI and high construct validity measured by confirmatory factor analysis. The reliabilities measured by internal consistency and inter-rater consistency showed that the CSBS DP was a highly reliable test.
Conclusion: The results of this study revealed that the CSBS DP is a valid and reliable tool for assessing the early social communication skills of Korean toddlers.
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KEYWORD
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CSBS DP behavior sample, Validity, Constructive validity, Concurrent validity, Reliability, Internal consistency, Inter-rater consistency, Test-retest reliability
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