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

question 49

Multiple Choice

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.

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