Abstract
The Cardiff Anomalous Perceptions Scale (CAPS) is a psychometric measure of hallucinatory experience. It has been widely used in English and used in initial studies in Spanish but a full validation study has not yet been published. We report a validation study of the Spanish-language CAPS, conducted in both Spain and Colombia to cover both European and Latin American Spanish. The Spanish-language version of the CAPS was produced through back translation with slight modifications made for local dialects. In Spain, 329 non-clinical participants completed the CAPS along with 40 patients with psychosis. In Colombia, 190 non-clinical participants completed the CAPS along with 21 patients with psychosis. Participants completed other psychometric scales measuring psychosis-like experience to additionally test convergent and divergent validity. The Spanish-language CAPS was found to have good internal reliability. Test-retest reliability was slightly below the cut-off, although could only be tested in the Spanish non-clinical sample. The scale showed solid construct validity and a principal components analysis broadly replicated previously reported three component factor structures for the CAPS.
Highlights
The Cardiff Anomalous Perceptions Scale (CAPS) is a self-report psychometric measure of hallucinatory experience that was first validated in 2006 [1] and was revalidated in a subsequent replication study [2] and has been widely used since
This study reports a back translation and validation study of the Spanish-language Cardiff Anomalous Perceptions Scale in both non-clinical participants and patients with psychosis, conducted in both Spain and Colombia to cover both European Spanish and Latin American Spanish
We report a validation study of the Spanish-language version of the Cardiff Anomalous Perception scale in both Colombia and Spain, finding that this translated version of the scale is both reliable and valid
Summary
The Cardiff Anomalous Perceptions Scale (CAPS) is a self-report psychometric measure of hallucinatory experience that was first validated in 2006 [1] and was revalidated in a subsequent replication study [2] and has been widely used since. Hallucinations can appear across the extended psychosis phenotype and can range from benign perceptual alterations to intense and distressing hallucinations with the latter more likely to be present in diagnosable psychiatric disorders [10]. In the psychosis-spectrum, including, for example, alterations to sensory intensity and hallucinations from the neurological literature [1]. This study reports a back translation and validation study of the Spanish-language Cardiff Anomalous Perceptions Scale in both non-clinical participants and patients with psychosis, conducted in both Spain and Colombia to cover both European Spanish and Latin American Spanish
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