The Pathways to Inflated Responsibility Beliefs Scale: A Psychometric Analysis

TL;DRAbstract

The current study examined the psychometric properties of the Pathways to Inflated Responsibility Beliefs Scale (PIRBS; Coles & Schofield, 2008), a measure designed to assess the theoretical pathways posited to contribute to responsibility beliefs in individuals with obsessive-compulsive disorder (OCD; Salkovskis et al., 1999). The primary aim of this study was to examine the factor structure, reliability, and validity of the measure in a diverse sample as well as to compare the properties of the scale across ethnic groups. The current sample consisted of 442 university students who completed questionnaire packets or an online survey. The results of an exploratory factor analysis suggested that a four-factor model with three items removed from the original PIRBS scale best fit the data. Confirmatory factor analyses in groups of African American and Caucasian participants indicated that neither the original PIRBS model nor the EFA-derived model adequately fit the data, but the latter mo

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