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Revista Latinoamericana de Psicología

versão impressa ISSN 0120-0534

Resumo

CARLOS SIERRA, Juan; DELGADO-DOMINGUEZ, Carlos J.  e  CARRETERO-DIOS, Hugo. Propriedades piscométricas de la dysfunctional beliefs and atitudes about sleep scale (DBAS) en una muestra española de sujetos normales. Rev. Latinoam. Psicol. [online]. 2005, vol.37, n.3, pp. 523-539. ISSN 0120-0534.

There exists evidence supporting the relationship between dysfunctional thoughts concerning sleep and insomnia sustenance. The Dysfunctional Beliefs and Attitudes About Sleep Scale (DBAS) is used to detect these thoughts, which according to the author contains five dimensions: Consequences of insomnia, Control and predictability of sleep, Sleep requirement expectations, Causal attributions of insomnia, and Sleep-promoting practices. This study presents the first psychometric data for the Spanish version of the DBAS, in which an item analysis, a factorial analysis, and a reliability study are included, and with the resultant scale structure "good" and "bad" sleepers are distinguished in order to provide validity. The results indicate that the theoretical dimensions proposed by Morin (1993) do not present an adequate homogeneity, as presented in the moderate, low, and even nonexistent total item correlation values. Therefore, reflecting a low internal consistency in three of the five supposed dimensions. The exploratory factorial analysis only obtained one factor of the 15 items with adequate psychometric guarantees (DBAS-15), from which we can differentiate "bad sleeper" from "good sleeper" subjects.

Palavras-chave : DBAS; Dysfunctional thoughts; Insomnia; Psychometric properties.

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