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Elementary Signal Detection Theory$
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Thomas D. Wickens

Print publication date: 2001

Print ISBN-13: 9780195092509

Published to Oxford Scholarship Online: April 2010

DOI: 10.1093/acprof:oso/9780195092509.001.0001

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Finite-state models

Finite-state models

Chapter:
(p.131) Chapter 8 Finite-state models
Source:
Elementary Signal Detection Theory
Author(s):

Thomas D. Wickens

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195092509.003.0008

In the other chapters, the information an observer gets from a stimulus is a numerical variable. The models in this chapter allow only a finite number of states, usually just two. The signal-detection model is developed for this limited-information situation, and measures of sensitivity and bias described. Particularly important is the high-threshold model in which the observer can only detect a signal or not.

Keywords:   all-or-none model, correction for guessing, finite-state model, high-threshold model, threshold

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