FURTHER INVESTIGATION OF THE EFFECTS OF REDUCED INPUT DATA FIDELITY UPON THE DETERMINATION OF POSTERIOR PROBABILITIES IN A SIMULATED THREAT-DIAGNOSIS SYSTEM.
Final rept., 15 Mar-1 Aug 64,
OHIO STATE UNIV COLUMBUS HUMAN PERFORMANCE CENTER
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This is the fifth in a series of experiments on Bayesian diagnostic systems. In this experiment two procedures for obtaining a posteriori P HD probability estimates were compared under conditions of low fidelity of input data and various levels of time-stress. In one procedure a computer aggregated the subjects a priori P DH estimates. In the alternate procedure the a posteriori probabilities were estimated by the subjects without computer aid. The results favor the computer-aided procedure and tend to support the use of automated Bayesian hypothesis-selection procedures in diagnostic systems. Author
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