Normative data of the Barratt Impulsiveness Scale 11 (BIS-11) for Brazilian adults
AUTOR(ES)
Malloy-Diniz, Leandro F., Paula, Jonas J. de, Vasconcelos, Alina G., Almondes, Katie M. de, Pessoa, Rockson, Faria, Leonardo, Coutinho, Gabriel, Costa, Danielle S., Duran, Victor, Coutinho, Thales V., Corrêa, Humberto, Fuentes, Daniel, Abreu, Neander, Mattos, Paulo
FONTE
Rev. Bras. Psiquiatr.
DATA DE PUBLICAÇÃO
2015-09
RESUMO
Objective:The Barratt Impulsiveness Scale (BIS-11) is a valid and reliable instrument, and one of the most often used tools to assess impulsivity. This study assesses the performance of a large sample of adults by using a version of BIS-11 adapted to Brazilian Portuguese.Methods:We assessed 3,053 adults from eight Brazilian states. Internal consistencies and performance data were presented for two correction criteria of BIS-11: original and the two-factor score.Results:The associations between age, sex, region, and education and the BIS-11 scores present very small effect sizes. Therefore, we provided a percentile rank parameter for the different BIS-11 subscores considering the whole sample. Given the internal consistency of the two correction systems, we found that only the two-factor system fulfills the psychometric criteria of Cronbach’s alpha (cutoff value of at least 0.6).Conclusion:Our results support the use of the Brazilian adaptation of BIS-11 in different regions of the country as a measure of impulsivity. Since high impulsiveness is a characteristic of several dysfunctional behaviors, the establishment of normative parameters is of utmost relevance and should be extended to other age ranges and populations in future studies.
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