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The inter-rater and test-retest reliabilities of prodromal symptoms in first-episode psychosis

journal contribution
posted on 01.08.1996, 00:00 authored by H J Jackson, P D McGorry, J Dakis, S Harrigan, L Henry, Cathy Mihalopoulos
OBJECTIVE: As part of the DSM-IV field trial for psychotic disorders, the authors endeavoured to determine the reliability of the DSM-IV prodromal features for schizophrenia in a first-episode sample. METHOD: Fifty first-episode psychotic patients were assessed using a semi-structured instrument to determine the presence/absence of nine prodromal symptoms. Inter-rater reliability data were calculated for 25 of the patients, and test-retest data were calculated for the remaining 25 patients. RESULTS: Levels of reliability were poor. CONCLUSIONS: The results lend some support to American Psychiatric Association and World Health Organization decisions to omit specific criteria for prodromal features from their respective nosologies.

History

Journal

Australian and New Zealand journal of psychiatry

Volume

30

Issue

4

Pagination

498 - 504

Publisher

Sage

Location

London, Eng.

ISSN

0004-8674

eISSN

1440-1614

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

[1996, Sage Publications]