The minimum amount of stimulation a person needs to detect a stimulus 50 percent of the time is called the

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The minimum amount of stimulation a person needs to detect a stimulus 50 percent of the time is called the absolute threshold. The just noticeable difference (B) refers to the smallest difference between two stimuli that a person can detect, while perceptual set (C) refers to a person's expectations, beliefs, and experiences that shape their perception of a stimulus. Critical period (A) refers to a specific period in development during which an organism is most sensitive to environmental input.

The Minimum Amount of Stimulation a Person Needs to Detect