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Unformatted text preview: there is a higher chance of detecting a real cancer. Part 2: Signal Detection ROC 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 False Alarm Rate Signal Detection Distribution-2.5-1.5-0.5 0.5 1.5 2.5-2.5-1.5-0.5 0.5 1.5 2.5 False Alarm Rate Z-Score This data set appears to be very well represented by a Gaussian signal detection model. The Receiver Operating Characteristic closely follows the bowed shape predicted by the model. In addition, the z-scores of the FAR and HR follow the straight line equation predicted by signal detection theory....
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This note was uploaded on 04/03/2008 for the course PSYC 4165 taught by Professor Harvey,lew during the Spring '08 term at Colorado.
- Spring '08