Resumen

DUARTE AYALA, Rocío Elizabeth; VELASCO ROJANO, Ángel Eduardo; SANCHEZ SOSA, Juan José  y  REYES LAGUNES, Lucina Isabel. Adaptation and validation of the fatigue impact scale. Acta de investigación psicol [online]. 2017, vol.7, n.1, pp.2585-2592. ISSN 2007-4719.  https://doi.org/10.1016/j.aipprr.2017.02.002.

Fatigue is a sensation of physical weariness with adverse consequences on the quality of life of people, therefore, it is important to have reliable and valid instruments to measure it. One of the most widely used is the Fatigue Impact Scale, however, there are one-and three-dimensional versions in several cultures. Therefore, the aim of this work was to translate, culturally relevant and compare the one and three-dimensional structures of the Fatigue Impact Scale to identify the most appropriate in the general population of Mexico City, with three different groups of participants. The first one for translation and adaptation made up with seven expert judges in the language; the second for psychometric validation with 205 participants from the general population, and the third, for confirmatory factor analysis with 406 inhabitants of Mexico City. The distribution, discrimination, reliability and structure of the scale were tested in an exploratory and confirmatory analysis, with a final scale of 10 items with three factors: physical, mental and psychosocial explaining the 59% variance with goodness of fit (X2[21.7] = 20.762, p = 0.522; CFI = 1; RMSEA = 0), with reliability α = 0.93.

Palabras llave : Fatigue; Assessment; Psychometric Validation.

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