Measurement properties of the Brazilian version of the Motor Assessment Scale, based on Rasch analysis
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Membros da banca
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Purpose: To cross-culturally adapt and verify the measurement properties of the Brazilian version of the Motor Assessment Scale (MAS). Methods: The process of cross-cultural adaptation followed standardized procedures. Construct validity of the MAS was investigated using Rasch analysis (n = 100), whereas inter-rater and test–retest reliabilities were evaluated using Kappa coefficients and Bland and Altman plots (n = 52). Results: The MAS demonstrated satisfactory measurement properties. The Kappa coefficients for the inter-rater and test–retest reliabilities were 0.73 (ranging from 0.79 to 1.00) and 0.82 (ranging from 0.86 to 1.00), respectively. The Bland and Altman plots showed adequate inter-rater and test–retest agreements. No ceiling or floor effects were observed and only one item exhibited misfit to the Rasch model expectations. Item 4 “sitting to standing” exhibited marginal misfit (infit MnSq = 1.44; Zstd = 2.6), but it did not affect the unidimensionality of the scale. Conclusions: The MAS demonstrated good indicators of validity and reliability to be used for the assessment of motor function of individuals with stroke within clinical and research contexts.
Abstract
Assunto
Acidente vascular cerebral, Comparação transcultural, Testes, Capacidade motora
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Stroke, Cross-cultural adaptation, Reliability, Rasch analysis
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https://www.tandfonline.com/doi/abs/10.1080/09638288.2017.1419383