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TitleValidation of the portuguese version of the attitudes to evidence-based practice questionnaire: an exploratory approach
Author(s)Pereira, Rui Pedro Gomes
Peixoto, Maria
Martins, Maria Alice Correia dos Santos Cardoso
KeywordsMethodological study
Evidence-based nursing
Issue date2013
PublisherFundacion Index
JournalParaninfo Digital
CitationPereira, Rui Pedro Gomes; Cardoso, Maria José da Silva Peixoto de Oliveira; Martins, Maria Alice Correia Santos Cardoso. Validation of the Portuguese Version of the Attitudes to Evidence-Based Practice Questionnaire: An exploratory approach. Rev Paraninfo Digital, 2013; 19. Disponible en: <>
Abstract(s)Background: The lack of cultural and linguistically sensitive instruments prevents the opportunity of assessing attitudes and barriers of health care staff towards evidence-based practice. The aim of this communication is to report the validation process in the Portuguese context of the Attitudes to Evidence Based Practice Questionnaire. Methods: We developed a cross-sectional, descriptive psychometric validation study. For cultural adaptation, a bidirectional translation was carried out, accordingly to common standards. To determine the psychometric properties of the questionnaire we conducted a Principal Component Analysis with Varimax orthogonal rotation. The reliability of the questionnaire was assessed by Cronbach's alpha. Results: We obtained 244 valid questionnaires with a 64.2% response rate. Data collected explained that the questionnaire showed an acceptable internal consistency (a = .63). Subjected the questionnaire to a principal components analysis using Varimax method, we obtained eight dimensions that explain 56.66% of total variance. Conclusions: The exploratory factorial analysis conducted demonstrated valid empiric evidence and the questionnaire could be used in our context.
Publisher version
AccessOpen access
Appears in Collections:ESE-CIE - Artigos em Revistas Internacionais / Papers in International Journals

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