Definition, Meaning & Synonyms
just-noticeable-difference
Noun
/ˈjʌst ˈnoʊtɪsəbl ˈdɪfərəns/
Definition
The smallest change in a stimulus that can be detected by an individual.
Examples
- In a sound experiment, the just-noticeable-difference for loudness is often measured in decibels.
- The just-noticeable-difference in weight for this scale is 5 grams.
- When testing colors, the just-noticeable-difference helps determine how closely two shades can be compared.
Meaning
It refers to the minimal amount of change necessary for a person to perceive a difference in sensory input.
Synonyms
- Minimum detectable difference
- Threshold of perception
- Smallest noticeable change
