SIGNAL DETECTION THEORY (SDT)

a collection of concepts and techniques from communication theory, electrical engineering and decision theory that was used in WWII to detect radar signals in noise. They were then applied to visual and auditory psychophysics and are now used widely in psychology.

SIGNAL DETECTION THEORY (SDT): "Signal detection theory is used to describe perceptual aspects of cognition."
Cite this page: N., Pam M.S., "SIGNAL DETECTION THEORY (SDT)," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/signal-detection-theory-sdt/ (accessed April 2, 2020).
SHARE