丁ちょう度ど可か知ち差さ異い

noun

just-noticeable difference; JND

Technical term in psychophysics for the smallest detectable difference between two stimuli. Used in academic and professional psychology contexts.

• 心しん理り物ぶつ理り学がくでは、丁ちょう度ど可か知ち差さ異いは感かん覚かくの鋭するどさを測はかる重じゅう要ような指し標ひょうです。

  In psychophysics, the just-noticeable difference is an important measure of sensory acuity.