difference threshold


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Related to difference threshold: Signal detection theory

difference threshold

n
(Psychology) psychol the minimum difference between two stimuli that is just detectable by a person
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.difference threshold - the smallest change in stimulation that a person can detect
limen, threshold - the smallest detectable sensation
jnd, just-noticeable difference - (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected
References in periodicals archive ?
For each repeated critical test result, participants reported the following information: initial and repeat test result; time initial and repeat results were first known to laboratory staff; critical result notification time; if the repeat result was still a critical result; if the repeat result was significantly different from the initial result, as judged by the laboratory professional; significant difference threshold, as defined by the laboratory; and which instrument was used for initial and repeat testing (primary versus secondary instrument).
Therefore, teachers can decide whether or not to set the difference threshold [n.sub.T] of the number of people.
In psychophysical terms, this "smallest change" may be called a difference threshold.