Efforts to predict a future event assume varying levels of confidence depending on its base rate and the error rate of the prediction instrument. Most researchers working with suicide prediction instruments seem tacitly to assume they will be able to predict a future suicide most of the time. Applying basic decision theory on a neuropsychiatric hospital population indicates that researchers using a prediction schedule will be unlikely to predict a future suicide beyond a 20% level of efficiency. Contrary to the general clinical view, eliminating false negatives was shown to be more practical than eliminating false positives in increasing the efficiency of a predictive schedule.
An assessment of the utility of suicide prediction.
D. MacKinnon,Norman L. Farberow
Published 1976 in Suicide and Life-Threatening Behaviour
ABSTRACT
PUBLICATION RECORD
- Publication year
1976
- Venue
Suicide and Life-Threatening Behaviour
- Publication date
1976-06-01
- Fields of study
Medicine, Psychology
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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