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AP Exam Review: Sensation & Perception

Question:
Ernst Weber's Law
Answer:
Weber's Law is related to the Just Noticeable Difference (also known as the difference threshold), which is the minimum difference in stimulation that a person can detect 50 percent of the time. But Ernst Weber noted that for people to really perceive a difference, the stimuli must differ by a constant "proportion" not a constant "amount
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Last update by hchristinex on 12/04/2012
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AP Exam Review  Sensation   Perception
AP Exam Review: Sensation & Perception
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Question: Ernst Weber's Law
Answer: Weber's Law is related to the Just Noticeable Difference (also known as the difference threshold), which is the minimum difference in stimulation that a person can detect 50 percent of the time. But Ernst Weber noted that for people to really perceive a difference, the stimuli must differ by a constant "proportion" not a constant "amount