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Unformatted text preview: make the lights go on, but a person walking in should. 2) Difference Threshold - the minimum amount of stimulus intensity change needed to produce a noticeable change. the greater the intensity (ex., weight) of a stimulus, the greater the change needed to produce a noticeable change. For example, when you pick up a 5 lb weight, and then a 10 pound weight, you can feel a big difference between the two. However, when you pick up 100 lbs, and then 105 lbs, it is much more difficult to feel the difference....
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- Fall '09