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The multidimensional measurement of the positive symptoms of psychosis

Steel, C., Garety, P., Freeman, D., Craig, E., Kuipers, E., Bebbington, P., Fowler, D. and Dunn, G. (2007) The multidimensional measurement of the positive symptoms of psychosis. International Journal of Methods in Psychiatric Research, 16 (2). pp. 88-96. ISSN 1049-8931

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To link to this item DOI: 10.1002/mpr.203


The measures most frequently used to assess psychotic symptoms fail to reflect important dimensions. The Psychotic Symptom Rating Scale (PSYRATS) aims to capture the multidimensional nature of auditory hallucinations and delusions. Individuals (N = 276) who had recently relapsed with positive symptoms completed the auditory hallucinations and delusions PSYRATS scales. These scores were compared with the relevant items from the SAPS and PANSS, and with measures of current mood. Total scores and distribution of items of the PSYRATS scales are presented and correlated with other measures. Positive symptom items from the SAPS and PANSS reflected the more objective aspects of PSYRATS ratings of auditory hallucinations and delusions (frequency and conviction) but were relatively poor at measuring distress. A major strength of the PSYRATS scales is the specific measurement of the distress dimension of symptoms, which is a key target of psychological intervention. It is advised that the PSYRATS should not be used as a total score alone, whilst further research is needed to clarify the best use of potential subscales. Copyright (c) 2007 John Wiley & Sons, Ltd.

Item Type:Article
Divisions:Life Sciences > School of Psychology and Clinical Language Sciences
ID Code:13858
Uncontrolled Keywords:PSYRATS, multidimensional, psychosis, symptoms, measurement , DELUSIONAL EXPERIENCE, RATING-SCALES, DIMENSIONS, HALLUCINATION, INVENTORY, VOICES

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