Which of the following statements is true of the signal-detection theory?
A)The signal received from an unidentified source cannot be perceived without having prior knowledge about the source.
B)A stimulus appears to be in constant flux due to the inability of human senses to perceive the full spectrum of any sensory input.
C)The relationship between a physical stimulus and a sensory response is fully mechanical.
D)The intensity of a signal is one factor that determines whether people will perceive sensory stimuli or a difference between signals.

Question

Quizplus · Accepted Answer

The signal-detection theory states that the intensity of a signal is one factor that determines whether people will perceive sensory stimuli or a difference between signals. It suggests that sensory thresholds can vary depending on factors such as the individual's physical and psychological state, as well as the nature of the stimulus. Therefore, statement D is true. Statements A, B, and C are not accurate descriptions of the signal-detection theory.

Which of the Following Statements Is True of the Signal-Detection