Suppose I blindfold you and tell you to hold a bag of 100 lemons. Then I start adding one lemon at a time until you say the bag weighs more than it did before. What have I discovered if this point occurred when I added 3 lemons to the bag?
a) Weber's constant is 3/100.
b) Your lemon threshold is 103 lemons.
c) The absolute threshold is 3 lemons.
d) The adaptation level is equal to 33 1/3 percent.
ANS: a
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