noun
: any of the experimental and statistical methods (as of just-noticeable differences, of constant stimuli, or of average error) developed for studying the perception of physical magnitudes
noun
: any of the experimental and statistical methods (as of just-noticeable differences, of constant stimuli, or of average error) developed for studying the perception of physical magnitudes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012