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Revista médica de Chile

Print version ISSN 0034-9887

Abstract

CLAVIJO, Manuel et al. The general self-efficacy scale (GSES): Reevaluation of its reliability and validity evidence in Chile. Rev. méd. Chile [online]. 2020, vol.148, n.10, pp.1452-1460. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872020001001452.

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.

Keywords : Self Efficacy; Surveys and Questionnaires; Validation Study.

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