title: [Validating scales used for measuring factors in medicine].
abstract: This article shows the mayor issues related with validation of scales applied in health research and illustrates the steps of this process. Concepts related with the selection of items, translation, validity, reliability and usefulness are discussed in this article.
authors.affiliation: Facultad de Medicina, Universidad Nacional de Colombia. rsanchezpe@unal.edu.co
authors.forename: Ricardo
authors.initials: R
authors.lastname: Sánchez
authors.forename: Jairo
authors.initials: J
authors.lastname: Echeverry
mesh_terms: D035843:Biomedical Research / Q000592:standards* / Q000706:statistics & numerical data*; D006801:Humans; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires