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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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The signal-detection model

The signal-detection model

(p.3) Chapter 1 The signal-detection model
Elementary Signal Detection Theory

Thomas D. Wickens

Oxford University Press

This chapter introduces the basic detection task: an observer receives a stimulus (in any sensory domain) that may or may not contain a weak signal and must decide whether the signal is present or not. The key elements of a mathematical model for this situation based on statistical decision theory are described.

Keywords:   criterion, false-alarms, hits, noise, observer, sensitivity, signal, signal detection, specificity, statistical decision theory

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