Development of a word accentuation test for predicting cognitive performance in Portuguese-speaking populations / Desenvolvimento de um teste de acentuação de palavras em português para predição de desempenho cognitivo
Gil, Gislaine; Magaldi, Regina Miksian; Busse, Alexandre Leopold; Ribeiro, Elyse Soares; Brucki, Sonia Maria Dozzi; Yassuda, Mônica Sanches; Jacob-Filho, Wilson; Apolinario, Daniel.
Arq. neuropsiquiatr
; 77(8): 560-567, Aug. 2019. tab, graf
Artículo
en Inglés
| LILACS | ID: biblio-1019467
ABSTRACT The Word Accentuation Test (WAT) has been used to predict premorbid intelligence and cognitive performance in Spanish-speaking populations. It requires participants to read a list of words without the accent marks that indicate the stressed syllable.
Objective:
As Portuguese pronunciation is also strongly based on accent marks, our aim was to develop a Brazilian version of the WAT.Methods:
An initial pool of 60 items was constructed and a final version of 40 items (named WAT-Br) was derived by item response theory. A sample of 206 older adults underwent the WAT-Br and a standardized neuropsychological battery. Independent ratings were performed by two observers in 58 random participants.Results:
The items showed moderate to high discrimination (α between 0.93 and 25.04) and spanned a wide range of difficulty (β between −2.07 and 1.40). The WAT-Br was shown to have an excellent internal consistency (Kuder-Richardson Formula 20 = 0.95) and inter-rater reliability (intraclass correlation coefficient = 0.92). It accounted for 61% of the variance in global cognitive performance.Conclusion:
A version of the WAT for Portuguese-speaking populations was developed and proved to be a valuable tool for estimating cognitive performance.
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BR1.1
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