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- W2891874289 abstract "To compare the psychometric characteristics of the Food Insecurity Experience Scale (FIES) and the grade of similitude or difference among Colombia, Guatemala, and Mexico during three years.Psychometric comparison using the Rasch model to calculate the relative severity of each item in FIES, INFIT and contrast in the Differential Functioning of Items (c-DIF).The majority of items showed a relative severity corresponding to the theoretical construct and acceptably fit the model (INFIT=0.7-1.3). No c-DIF above 1.0 logit was observed in the comparison men vs women. In the comparison among countries by year 87% of the items showed c-DIF below 0.5 logit.The FIES presents psychometric characteristics corresponding to the theoretical construct of the tool. Future studies with the inclusion of more countries and more time points are essential to evaluate the relative severity, behavior and distribution of items.Comparar las características psicométricas de la Escala de Experiencia de Inseguridad Alimentaria (FIES, en inglés Food Insecurity Experience Scale) y el grado de similitud o diferencias entre Colombia, Guatemala y México durante tres años.Estudio de comparación psicométrica a través del modelo Rasch, calculando la severidad relativa, el ajuste próximo (INFIT) y funcionamiento diferencial (c-DIF) para cada ítem de la FIES.La mayoría de los ítems mostraron una severidad relativa correspondiente al constructo teórico y un ajuste aceptableal modelo (INFIT=0.7-1.3). No se observaron valores de c-DIF en la comparación hombres vs mujeres por encima de 1.0 logit; y en la comparación entre países por año, 87% de los ítems estuvieron por debajo del valor de 0.5 logit.La FIES presenta las características psi- cométricas correspondientes al constructo teórico de la herramienta. Futuros estudios, incluyendo más países y más puntos temporales, son esenciales para evaluar la severidad relativa, comportamiento y distribución de los ítems." @default.
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- W2891874289 date "2018-09-07" @default.
- W2891874289 modified "2023-10-17" @default.
- W2891874289 title "Escala Basada en la Experiencia de Inseguridad Alimentaria (FIES) en Colombia, Guatemala y México" @default.
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- W2891874289 doi "https://doi.org/10.21149/9051" @default.
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