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

References

• American Psychiatric Association. The diagnostic and statistical manual of mental disorders. Third ed. American Psychiatric Association, Washington DC 1980
   Google Scholar
• American Psychiatric Association. The diagnostic and statistical manual of mental disorders. Third ed. revised. American Psychiatric Association, Washington DC 1987
   Google Scholar
• Andreasen NC, Flaum M. Schizophrenia: the characteristic symptoms. Schizophrenia Bulletin 1991; 17: 27–49
   PubMed Web of Science ®Google Scholar
• Endicott J, Nee J, Fleiss J, Cohen J, Williams JBW, Simon R. Diagnostic criteria for schizophrenia: reliabilities and agreement between systems. Archives of General Psychiatry 1982; 39: 884–889
   PubMed Web of Science ®Google Scholar
• American Psychiatric Association. Report from the DSM-IV field trial for schizophrenia and related psychotic disorders. Iowa City: University of Iowa,. 1992
   Google Scholar
• Jackson HJ, McGorry PD, McKenzie D. The reliability of DSM-III prodromal symptoms in first-episode psychotic patients. Acta Psychiatrica Scandinavica 1994; 90: 375–378
   PubMed Web of Science ®Google Scholar
• McGorry PD, Singh BS, Copolov DL. Royal Park multi-diagnostic instrument for psychosis. Part I. Rationale and review. Schizophrenia Bulletin 1990; 16: 501–505
   PubMed Web of Science ®Google Scholar
• McGorry PD, Singh BS, Copolov DL, Kaplan I, Dossetor CR, Van Riel RJ. Royal Park multidiagnostie instrument for psychosis. Part II. Development, reliability and validity. Schizophrenia Bulletin 1990; 16: 517–536
   PubMed Web of Science ®Google Scholar
• Zimmerman M. Diagnosing personality disorders. A review of issues and research methods. Archives of General Psychiatry 1994; 51: 225–245
   PubMed Web of Science ®Google Scholar
• McGorry PD., Mihalopoulos C, Henry L. Spurious precision: variability in procedural validity of diagnostic procedures in psychotic disorders and implications for research and treatment. American Journal of Psychiatry 1995; 152: 220–223
   PubMed Web of Science ®Google Scholar
• Dakis J. The diagnosis and classification of schizophrenia and related psychoses: a ciinicopathological study. Melbourne, FRANZCP thesis 1993
   Google Scholar
• American Psychiatric Association. The diagnostic and statistical manual of mental disorders. Fourth ed. American Psychiatric Association, Washington DC 1994
   Google Scholar
• World Health Organization. Manual of the international classification of diseases, injuries and causes of death. Tenth revision. Geneva: World Health Organisation,. 1992
   Google Scholar
• Cohen J. A coefficient of agreement for nominal scales. Educational Psychology Measurement 1960; 20: 37–46
   Web of Science ®Google Scholar
• Fleiss JL. Statistical methods for rates and proportions. Second ed. New York: Wiley 1981
   Google Scholar
• McGorry PD. Psychoeducation in early psychosis: a therapeutic process. Psychiatry 1995; 58: 329–344
   Google Scholar
• Yung AR, McGorry PD. The initial prodrome in psychosis: past and current conceptualisations. Schizophrenia Bulletin 1996; 22: 353–370
   PubMed Web of Science ®Google Scholar
• Malla AK, Norman MG. Prodromal symptoms in schizophrenia. British Journal of Psychiatry 1994; 164: 487–493
   PubMed Web of Science ®Google Scholar
• Birchwood M, Smith J, Macmillan F. Predicting relapse in schizophrenia: the development and implementation of an early signs monitoring system using patients and families as observers, a preliminary investigation. Psychological Medicine 1989; 19: 649–656
   PubMed Web of Science ®Google Scholar
• Heinrichs DW, Carpenter WT. Prospective study of prodromal symptoms in schizophrenic relapse. American Journal of Psychiatry 1985; 142: 371–373
   PubMed Web of Science ®Google Scholar
• Carpenter WT, Heinrichs DW. Early intervention, limited, targeted pharmacotherapy of schizophrenia. Schizophrenia Bulletin 1983; 9: 533–542
   PubMed Web of Science ®Google Scholar
• Herz MI, Glazer W, Mirza M, Mostert M, Hafez H. Treating prodromal episodes to prevent relapse in schizophrenia. British Journal of Psychiatry 1989; 155: 123–127
   PubMedGoogle Scholar
• Jackson HJ, McGorry PD, Dudgeon P. Prodromal symptoms of schizophrenia in first-episode psychosis: prevalence and specificity. Comprehensive Psychiatry 1995; 36: 241–250
   PubMed Web of Science ®Google Scholar