This article presents the process of the development and validation study of the Portuguese version (both male and female) of the McKnight Risk Factor Survey IV (MRFS-IV). MRFS-IV assesses potential risk and protective factors for the development of eating disorders (ED) in adolescents, and was originally developed to be used only with females. Seven hundred and ninety three middle and high school students (aged 12 to 20 years), completed MRFS-IV, as well as other measures in order to evaluate its convergent validity (Contour Drawing Rating Scale, Global Self-Esteem Questionnaire, Eating Disorder Examination-Questionnaire). Exploratory factor analysis used with most items (rated on a 5-point Likert scale) resulted in a nine factor structure with quite adequate levels of internal consistency – Concern with Thinness, Self-Esteem, Social Pressure, Overeating, Substance Use and Compensatory Methods, Social Support, Parental Influences, Anxiety Depression Symptomatology and Perfectionism. Remaining items were organized in eight indicators of other important aspects of ED risk evaluation among adolescents. The psychometric study also showed good results concerning convergent validity. The Portuguese version of MRFS-IV can thus be a significant instrument for assessing the risk of the development of ED, both in investigation and prevention fields.
|Título traduzido da contribuição||Assesment of risk factors for the development eating disorders: development and validation study of the Portuguese version of the McKnight Risk Factor Survey IV|
|Número de páginas||28|
|Revista||Revista Iberoamericana de Diagnostico y Evaluacion Psicologica|
|Número de emissão||2|
|Estado da publicação||Publicado - 2011|