alleryStart learning →The smallest detectable change between two stimuli is called the difference threshold or the:
AAbsolute lower limit
BSensory adaptation rate
CSignal detection score
DJust noticeable difference
Answer & Solution
Correct answer: D. Just noticeable difference
1. Detecting a change is a different task from detecting a stimulus at all.
2. The smallest change that can be noticed is known as the just noticeable difference.
3. It is also called the difference threshold.
4. The absolute threshold instead measures detection against no stimulus at all.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 5 'Sensation and Perception', sections 5.1-5.6_
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