When Jessica's furnace stopped working,she didn't notice that the temperature had dropped until it was two degrees colder than the usual programmed temperature.What is the psychophysics term for the two-degree difference between the usual temperature and the temperature at which Jessica noticed that it was colder

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The psychophysics term for the minimum difference that a person can detect between two stimuli is known as the just noticeable difference (JND). In this case, the two-degree difference between the usual temperature and the temperature at which Jessica noticed it was colder is the JND.

When Jessica's Furnace Stopped Working,she Didn't Notice That the Temperature