Psychometric properties of the catalan version of the goldberg anxiety and depression scale (GADS)
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Date
2022
Authors
Malas, Olga
Tolsá, Maria Dolores
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Abstract
This study aimed to test the psychometric properties of the Goldberg Anxiety and
Depression Scale (GADS), applied to a Catalan sample of the adult general population. The
scale was translated and adapted to the Catalan language. The sample comprised 741
participants of both sexes. The sample was split randomly into two groups: calibration and
validation. Structural validity was analysed in the calibration group (n = 371), using exploratory
factor analysis, suggesting a one-factor structure. Confirmatory factor analysis was performed
with the validation group (n = 370). The one-factor model demonstrated adequate goodness of
fit indices and satisfactory internal consistency. The two-factor model presented only
acceptable goodness of fit indices and internal consistency, but the discriminant capacity was
low. The obtained results support the use of the GADS as an acceptable instrument to measure
anxiety and depression in the Catalan population, but not to distinguish between these two
conditions.
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Hellenic Journal of Psychology, 2022, vol. 19, núm. 2, p. 148-162