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The reliability of DSM-III prodromal symptoms in first-episode psychotic patients
H J Jackson1, P D McGorry, D McKenzie
1NH & MRC Schizophrenia Research Unit, University of Melbourne, Victoria, Australia.
Acta Psychiatrica Scandinavica
|November 1, 1994
Abstract:
Thirty-one first-episode psychotic patients were assessed via a semistructured interview to determine the presence or absence of the 8 DSM-III prodromal symptoms. Interrater reliability data were calculated for the same symptoms according to the patient, an informant and the raters blending the previous 2 sources of information. Levels of reliability, reported as kappa and percentage agreements, were generally acceptable.