Perfectionism and intolerance of uncertainty: relationship with psychopathology variables
Manuel González, Ignacio Ibáñez, Anna Rovella, Marisela López, and Leticia Padilla
This paper presents the relationship between perfectionism and intolerance of uncertainty with psychopathological variables. This study has a triple aim: firstly, to determine the psychometric properties of a 26-item version of Frost’s Multidimensional Scale of Perfectionism; secondly, to verify the dual model of perfectionism; and thirdly, to examine the transdiagnostic process of perfectionism. For this purpose, we used a sample 427 people, which had 64.1% women, 62.0% had higher studies, and the average age was 26.8 years (DT=10.6). The results confirm the dual-process model of perfectionism with regard to the trait of worry. With regard to the transdiagnostic process, it is suggested to be a common process shared by the psychopathological variables, uncertainty that generates inhibition. The results are discussed taking into account the dual-process model of perfectionism, and the model of avoidance of worry and the generalized anxiety disorder, as both are supported by Mowrer’s (1947) bifactor theory.
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