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Revista Colombiana de Psiquiatría

versão impressa ISSN 0034-7450

Resumo

OROZCO-CABAL, Luis et al. Validity and Reliability of the Abbreviated Barratt Impulsiveness Scale in Spanish (BIS-15S). rev.colomb.psiquiatr. [online]. 2010, vol.39, n.1, pp.93-109. ISSN 0034-7450.

Objective: This study determined the validity and reliability of a new, abbreviated version of the Spanish Barratt Impulsiveness Scale (BIS-15S) in Colombian subjects. Method: The BIS-15S was tested in non-clinical (n=283) and clinical (n=164) native Spanish-speakers. Intrascale reliability was calculated using Cronbach's a, and test-retest reliability was measured with Pearson correlations. Psychometric properties were determined using standard statistics. A factor analysis was performed to determine BIS-15S factor structure. Results: 447 subjects participated in the study. Clinical subjects were older and more educated compared to non-clinical subjects. Impulsivity scores were normally distributed in each group. BIS-15S total, motor, non-planning and attention scores were significantly lower in non-clinical vs. clinical subjects. Subjects with substance-related disorders had the highest BIS-15S total scores, followed by subjects with bipolar disorders and bulimia nervosa/binge eating. Internal consistency was 0.793 and test-retest reliability was 0.80. Factor analysis confirmed a three-factor structure (attention, motor, nonplanning) accounting for 47.87% of the total variance in BIS-15S total scores. Conclusions: The BIS-15S is a valid and reliable self-report measure of impulsivity in this po pulation. Further research is needed to determine additional components of impulsivity not investigated by this measure.

Palavras-chave : Personality assessment; validation studies; Colombia; Determinación de la personalidad; estudios de validación; Colombia.

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