Weber's law refers to the fact that the just noticeable difference for ALL senses depends on __________
A) a percentage of change in the stimulus.
B) a fixed amount of change in the stimulus.
C) a 25% increase of the original stimulus.
D) a 10% increase of the original stimulus.

Question

Quizplus · Accepted Answer

Weber's law states that the just noticeable difference for ALL senses depends on a percentage of change in the stimulus, rather than a fixed amount. Specifically, the just noticeable difference is proportional to the magnitude of the original stimulus. This means that the greater the magnitude of the original stimulus, the larger the amount of change required to be detectable.

Weber's Law Refers to the Fact That the Just Noticeable