J. P. Leff
3 Papers
114 Citations
J. P. Leff is an academic researcher. The author has contributed to research in topics: Concordance & Research Diagnostic Criteria. The author has an hindex of 3, co-authored 3 publications.
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Papers
Schizo-affective psychosis: definitions and incidence.
Ian Brockington,J. P. Leff +1 more
TL;DR: Eight definitions of schizo-affective psychosis have been compared in a sample of psychotic first admissions showing that there is very poor agreement about the meaning of the term 'schizo-Affective' at present.
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Definitions of schizophrenia: concordance and prediction of outcome
TL;DR: A comparison of 10 definitions of schizophrenia concludes that four definitions emerged as relatively effective and these also had a somewhat more satisfactory mutual concordance.
Prognostic implications of six alternative definitions of schizophrenia.
TL;DR: The ability of six different operational definitions of schizophrenia to identify prospectively patients whose eventual prognosis would be poor was studied using data from a six-year follow-up of a series of 134 patients with functional psychoses.