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KMID : 1211620130080010137
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Journal of the Korean Society of Physical Medicine
2013 Volume.8 No. 1 p.137 ~ p.145
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The Study on the Rater Reliabilities of Physical Therapy Students Pediatric Balance Scales items
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Hwang Ryong
Kim Gi-Won
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Abstract
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Purpose: The purpose of this study is to examine assessment of test-retest reliability for 13 items of pediatric balance scales, then the intrarater reliability among the raters.
Methods: Study participants included 6 children with spastic cerebral palsy who could walk. Raters were consist of seventy-four, 2nd year physical therapy major students. The children’s ability to achieve physical balance was wideotaped for PBS items. The raters watched the tapes and evlauated each child twice. Test-retest reliability was analyzed using the Spearman correlation, and interrater reliability was analyzed using the Kendall’s coefficient of concordance for ranks.
Results: The total PBS scores averaged 49.22 and 50.06 for first and second tests. Test-retest reliability of PBS individual items were between low and high. The low itmes were 3 items, and high were 4 itmes. Interrater reliability were low agreement.
Conclusion: Based on the study, the pediatric balance scale is an effective evaluating tool for measuring functional balance of school age child. However, the agreement of students or beginner’s interpretation is necessary in conjunction to this study results. On top of that, it is important to provide detailed explanation and repetitive training, which improves the analysis reliability. Also, each category subscores level for the pediatric balance scale must be examined carefully in conjunction to performing test, only after improving match quality via preceding practice.
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KEYWORD
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Pediatric balance scale(PBS), Rater reliability, Cerebral palsy
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