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Chapter 8: Problem 3

Weber discovered that for a difference between two stimuli to be perceptible, the stimuli must differ by at least a ___ proportion.

Short Answer

Expert verified
Constant

Step by step solution

01

Understand the Weber's Law

Weber's Law, also known as the Weber鈥揊echner law, is a hypothesis in psychology which suggests that the change in a stimulus that will be just noticeable (a Just Noticeable Difference) is a constant ratio of the original intensity of the stimulus. This constant is often referred to as the Weber's constant.
02

Apply Weber's Law to the exercise statement

Based on the Weber's Law, for a difference between two stimuli to be perceptible, the stimuli must differ by at least a certain proportion. That certain proportion is the 'Weber's constant' or 'JND'.

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