_____ is the fraction of the intensity by which a source of physical energy must be increased or decreased so that a difference in intensity will be perceived.
A)Subliminal stimulation
B)The absolute threshold
C)Weber's constant
D)Newton's constant

Question

Quizplus · Accepted Answer

Weber's constant, also known as the difference threshold or just noticeable difference, is the fraction of the intensity by which a source of physical energy must be increased or decreased so that a difference in intensity will be perceived. It varies depending on the sense being stimulated and the type of stimuli being used.

_____ Is the Fraction of the Intensity by Which a Source