SIGNAL By N., Pam M.S. - April 13, 2013 1. Presenting information that will evoke a response. 2. A stimulus. 3. An intelligible sign from one person to another or from one device to another. Read also detection theory. SIGNAL: "The TV gets a signal from the transmitter." Related Psychology Terms STOP-SIGNAL TASK STIMULUS FUNCTION SIGNAL DETECTION TASK STIMULUS SWITCH DEVICE SIGNAL ANXIETY GOAL RESPONSE STIMULUS PROPOSITION MULTIPLE TRACE HYPOTHESIS TACTILE SENSORY AID Cite this page: N., Pam M.S., "SIGNAL," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/signal/ (accessed February 17, 2020).