Difference thresholds:
Correct answer: B. occur when we can detect the change in the intensity of a stimulus
- A. occur when we can first detect some stimulus
- B. occur when we can detect the change in the intensity of a stimulus
- C. depend on the energy necessary to stimulate a sensory receptor
- D. are measured in judgmental Normal Differences
Explanation
A difference threshold, or just-noticeable difference, is the smallest change in stimulus intensity that a person can detect. Detecting a stimulus for the first time is the absolute threshold, not the difference threshold.
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