Using psychometric techniques to improve the Balance Evaluation Systems Test: the mini-BESTest.
Using psychometric techniques to improve the Balance Evaluation Systems Test: the mini-BESTest.
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DOI:
10.2340/16501977-0537
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发表时间:
2010-04
影响因子:
3.5
通讯作者:
Giordano A
中科院分区:
文献类型:
--
作者:
Franchignoni F;Horak F;Godi M;Nardone A;Giordano A
To improve, with the aid of psychometric analysis, the Balance Evaluation System’s Test (BESTest), a tool designed to analyse several postural control systems that may contribute to poor functional balance in adults. We examined performance of the BESTest in a convenience sample of 115 consecutive adult patients with diverse neurological diagnoses and disease severity, referred to rehabilitation for balance disorders. Factor (both explorative and confirmatory) and Rasch analysis were used to process the data in order to produce a new, reduced and coherent balance measurement tool. Factor analysis selected 24 out of the 36 original BESTest items likely to represent the unidimensional construct of ‘dynamic balance’. Rasch analysis was then used to: 1) improve the rating categories, and 2) delete 10 items (misfitting or showing local dependency). The model consisting of the remaining 14 tasks was verified with confirmatory factor analysis to meet the stringent requirements of modern measurement. The new 14-item scale (dubbed mini-BESTest) focuses on dynamic balance, can be conducted in 10-15 minutes, and contains items belonging evenly to four of the six sections from the original BESTest. Further studies are needed to confirm the usefulness of the mini-BESTest in clinical settings.
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发表时间:
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影响因子:
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