the law postulating that to escalate the severity of a sensation within arithmetical progression, the severity of the stimulant must be increased in geometric progression. The law is generally rendered in the form s = k log /, where S is sensory importance, K is a constant, and / is the physical severity of the stimulant. Commonly referred to as Bouguer-Weber law.
WEBER-FECHNER LAW: “The Weber-Fechner measures the relationship between the magnitude of a physical stimulus and the intensity that people feel. “