The minimum difference between two stimuli required for detection 50 percent of the time is called

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The just noticeable difference (JND) refers to the minimum difference between two stimuli that is required for a person to detect the difference 50% of the time. It is also known as the difference threshold. The absolute threshold (B) refers to the minimum amount of stimulation needed for a person to detect a stimulus 50% of the time, and perceptual set (C) refers to a person's expectations and previous experiences that can influence their perception of stimuli. Retinal disparity (A) is a binocular cue for depth perception, but is not related to the minimum difference required for stimulus detection.

The Minimum Difference Between Two Stimuli Required for Detection 50