Examlex
What were the positive and negative demographic impacts of European contact with the New World?
Energy
The capacity to do work or the power derived from the utilization of physical or chemical resources.
Original Stimulus
The initial event or object that triggers a sensory or psychological response.
Weber Fraction
A principle stating that the smallest change in a stimulus that can be detected is a constant proportion of the starting level of that stimulus.
Difference Threshold
The smallest change in stimulation that can be noticed by an individual half of the time, also referred to as the "just noticeable difference" (JND).
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