Brazilian Portuguese cross-cultural adaptation of the Massachusetts General Hospital (MGH) Hairpulling Scale
DOI:
https://doi.org/10.1590/S0101-60832011000500002Keywords:
Trichotillomania, cross-cultural adaptation, scales, psychometric, validity studiesAbstract
BACKGROUND: Trichotillomania (TTM) is characterized by the act of pulling out, in a recurrent way, your own hair for pleasure, gratification or tension release, leading to a perceptible hair loss, and it is included in the Impulse Control Disorders Unclassified Elsewhere of the DSM-IV-TR (APA, 1994) section. The Massachusetts General Hospital (MGH) Hairpulling Scale is an instrument used recently in many studies to assess trichotillomania symptoms. OBJECTIVE: The present paper aims to adapt this scale into the Portuguese language. To cross-culturally adapt the Massachusetts General Hospital (MGH) Hairpulling Scale to Portuguese and evaluate its internal consistency. This instrument aims to evaluate Trichotillomania. METHODS: The work consisted of five steps: (1) translation; (2) back-translation; (3) peer review and evaluation of semantic and conceptual equivalences using experts; (4) instrument evaluation through a sample of students, by evaluating their level of understanding; and (5) analysis of the instruments internal consistency through Cronbachs a-coefficient. RESULTS: The instrument was translated and adapted to Portuguese, and shown to be easily understood, with an internal consistency value of 0.96. DISCUSSION: The instrument is now translated and adapted to Portuguese. Measurement and reproducibility analyses are needed.Downloads
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Published
2011-01-01
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How to Cite
Brazilian Portuguese cross-cultural adaptation of the Massachusetts General Hospital (MGH) Hairpulling Scale . (2011). Archives of Clinical Psychiatry, 38(5), 178-183. https://doi.org/10.1590/S0101-60832011000500002