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Arquivos Brasileiros de Psicologia

On-line version ISSN 1809-5267


CUNHA, Felipe Augusto  and  BAPTISTA, Makilim Nunes. Psychometric analyses of the Depressive Cognitive Distortion Scale. Arq. bras. psicol. [online]. 2019, vol.71, n.2, pp. 130-149. ISSN 1809-5267.

Cognitive distortions are logical errors of thoughts that can alter the subject's reality, causing possible depressive symptoms. The purpose of the study was to construct an instrument titled Depression Cognitive Distortion Scale (EDICOD) and to seek evidence of validity based on content and internal structure using exploratory factorial analysis and the Item Response Theory (TRI) model. In the construction phase of the study, eight judges and 27 undergraduate students participated in a pilot application to adjust the items. Subsequently, 459 individuals, divided between non-clinical and clinical subjects with a diagnosis of depression, of both sexes, aged between 18 and 60 years, participated. After the psychometric analysis, the scale was reduced to 36 items, divided into three interpretable factors: Selective abstraction/personalization (F1), arbitrary inference/maximization and minimization (F2), and finally, dichotomous thinking/hypergeneralization (F3). Thus, EDICOD presented an adequate tool for screening the main cognitive distortions, mainly for possible use in clinical settings.

Keywords : Psychometry; Construction; Instrument; Distortion.

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