[General self-efficacy scale validation in Chile]
patricia cidRevista medica de Chile
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Abstract
Self efficacy refers to an individuals belief in his or her capability to produce given achievements and the individuals perception of his or her ability to perform an action. To evaluate the psychometric properties of the General Self-efficacy Scale in Chilean population. The study was carried out in 360 subjects, both sexes, 15-65 years of age, from Concepción, Chile, who answered Self-efficacy, Self-esteem and Health Status Perception instruments. Reliability was verified by Cronbachs alpha coefficient and validity by expert re-vision, univariate statistics, correlations among items, item-scale correlations, and correlations with Self-esteem and Perception of Health Status constructs. The structure of the scale is uni-dimensional, homogenous and positively related with the constructs examined. The General Self-efficacy Scale is a reliable and valid measure of the perception of self-efficacy in the Chilean population.
Key takeaways
- Considerando la importancia de este constructo en los cambios de conducta en salud y los positivos resultados psicométricos de la EAG obtenidos en otros países, esta investigación tiene como objetivo evaluar características psicométricas de la Escala Autoeficacia General en población chilena, para contar con un instrumento preciso de medida de autoeficacia percibida para el país.
- La validez del constructo autoeficacia percibida, se analizó por medio de los estadísticos de los elementos, correlación entre los elementos y, entre elemento y escala total; y correlación con los constructos autoestima y estado de salud percibido (validez de criterio concurrente).
- En esta escala a mayor puntaje mayor autoeficacia general percibida.
- Menor es el valor de correlación (r = 0,159) entre la EAG y la escala de Estado de Salud Percibido, al mismo nivel de significancia (Tabla 5).
- Las correlaciones positivas de Autoeficacia Percibida con Autoestima y Estado de Salud Percibido apoyan la validez del constructo en este estudio, esta relación se refleja en que a medida que aumenta la autoeficacia general de la población estudiada también aumenta su autoestima y su estado de salud percibido o percepción de bienestar.
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Background: Self efficacy refers to an individual's belief in his or her capability to produce given achievements and the individual's perception of his or her ability to perform an action. Aim: To evaluate the psychometric properties of the General Self-efficacy Scale in Chilean population. Material and Methods: The study was carried out in 360 subjects, both sexes, 15-65 years of age, from Concepción, Chile, who answered Self-efficacy, Self-esteem and Health Status Perception instruments.
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Escala de autoeficacia general: reevaluación de su evidencia de confiabilidad y validez en Chile
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The general self-efficacy scale (GSES): Reevaluation of its reliability and validity evidence in Chile Background: Self-efficacy is a psychological variable closely related to healthy behaviors. One of the most widely used instruments to measure this variable is the general self-efficacy scale (GSES). In Chile, the only psychometric study of this scale has important analytical limitations. Aim: To assess reliability and validity of GSES in a large Chilean sample. Material and Methods: The GSES and a self-esteem scale were applied to 2995 participants aged 11 to 76 years (60% women). Results: The scale showed optimal levels of homogeneity and internal consistency. The exploratory factor analysis and the parallel analysis suggested a one-dimensional internal structure. However, this model showed a mediocre fit in the confirmatory factor analysis due to the residual correlation between a pair of items with high semantic similarity. A one-dimensional model specifying this residual correlation attained an acceptable fit in a new confirmatory factor analysis. The new model reached strict invariance according to sex, and partial strict invariance according to age. The latent factor of the GSES showed a positive association with the latent factor of a self-esteem scale. Conclusions: The GSES is an adequate scale to measure general self-efficacy in the Chilean population and allows unbiased comparisons based on sex or age.
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