Weber’s law states that the just noticeable difference is a constant proportion of the magnitude of the original stimulus. t f

The statement that the Weber’s law states that the just noticeable difference is a constant proportion of the magnitude of the original stimulus is true.

From this law follows that when in a noisy environment the person must shout to be heard while a whisper works in a quiet room. The Weber's ;aw formula is:

delta(I) /I=K  , delta (I)/) is referred to as the Weber's fraction

delta (I) -  increment threshold

I - background intensity

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