_____ is a basic law of psychophysics stating that a just noticeable difference is a constant proportion to the intensity of an initial stimulus.
A)Fitt's law
B)Weber's law
C)Bloch's law
D)Hick's law

Question

Quizplus · Accepted Answer

Weber's law states that the difference threshold (or just noticeable difference) is a constant proportion of the original stimulus. Specifically, this proportion is determined by the Weber fraction, which varies depending on the sensory domain in question. This law has important implications for our ability to discriminate between different stimuli across a range of sensations, from sound and light to taste and touch.

_____ Is a Basic Law of Psychophysics Stating That a Just