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just-noticeable difference

/ˈdʒʌst ˈnəʊtɪsəbl ˈdɪfrəns/

翻译: 人能够可靠察觉到的刺激的最小变化,通常在至少一半的试验中被感知到。这是心理物理学和感觉研究中的核心概念,也称为差别阈限。

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phrase

/ˈdʒʌst ˈnəʊtɪsəbl ˈdɪfrəns/C1formalscientific
  • zh人能够可靠察觉到的刺激的最小变化,通常在至少一半的试验中被感知到。这是心理物理学和感觉研究中的核心概念,也称为差别阈限。

The smallest change in a stimulus (such as sound, light, or weight) that a person can reliably detect at least half the time. A key concept in psychophysics and sensory perception.

  1. Smallest detectable changeC1formal

    The smallest difference between two stimuli that can be reliably detected by a person.

    zh最小可觉差

    • The just-noticeable difference for sound volume varies by frequency.
    • Psychologists measure the just-noticeable difference to study perception.
    • The just-noticeable difference in weight is about 2% of the original mass.