the standard postulating that the critical flicker frequency escalates with the logarithm of the brightness of the stimulant, separate from the stimulant wavelength. Commonly referred to as Ferry-Porter law.

PORTER'S LAW: "Porter's Law was developed by Thomas Cunningham Porter, a British scientist, and his American physicist counterpart, Edwin Sidney Ferry."
Cite this page: N., Pam M.S., "PORTER'S LAW," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/porters-law/ (accessed December 1, 2020).