The Psychophysics Psyber Lab




Brian Scurfield's Abstracts

Generalization of the Theory of Signal Detectability to Multiple-Event Tasks

13 October 1995
Psychology Department Research Seminar


The theory of signal detectability (TSD) was developed in the early 1950's by engineers working on problems of radar and sonar dection. The theory solved the long-standing problem of distinguishing between detectability and decisional bias, and provided independent measures of each. Unfortunately, a major limitation of conventional TSD is that it can be applied only to detection problems involving two events. The purpose of this talk is to present the generalization of TSD to detection problems involving an arbitrary number of events. The generalization provides a new means to analyze a broad range of psychological data.

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