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%ما هو (من)٪ 1 - تعريف
AMOUNT THAT A STIMULUS MUST BE CHANGED TO BE DETECTED
Jnd; Differential threshold; Difference threshold; Just-noticable difference; Difference limen; Just noticeable difference; Just noticeable differences
Just-noticeable difference
In the branch of experimental psychology focused on sense, sensation, and perception, which is called psychophysics, a just-noticeable difference or JND is the amount something must be changed in order for a difference to be noticeable, detectable at least half the time (absolute threshold). This limen is also known as the difference limen, difference threshold, or least perceptible difference.
Alexander Just
GERMAN-HUNGARIAN CHEMIST
Aleksandar Just; Sándor Just; Just, Alexander
Alexander Friedrich Just (12 April 1874, in Bremen – 30 May 1937, in Budapest) was an Austro-Hungarian chemist and inventor. Later, in Hungary he used the name Just Sándor Frigyes.
Relative change and difference
TECHNIQUES USED TO COMPARE TWO QUANTITIES
Percent error; % difference; Percent Difference; %difference; %ch; Relative difference; Percentage change; Percent change; Relative percent difference; Percentage increase; Relative change; Percent difference; Δ%; %CH; Percentage difference; Percent discrepancy; Log point; Log change
In any quantitative science, the terms relative change and relative difference are used to compare two quantities while taking into account the "sizes" of the things being compared. The comparison is expressed as a ratio and is a unitless number.
ويكيبيديا
Just-noticeable difference
In the branch of experimental psychology focused on sense, sensation, and perception, which is called psychophysics, a just-noticeable difference or JND is the amount something must be changed in order for a difference to be noticeable, detectable at least half the time. This limen is also known as the difference limen, difference threshold, or least perceptible difference.
