The JND for a 100-g weight is 2 g. According to Weber's law, the JND for a 1,000-g weight would be _____ g.
A) 0.002
B) 2
C) 20
D) 200

Question

Quizplus · Accepted Answer

Weber's law states that the just noticeable difference (JND) is a constant proportion of the original stimulus. Since the JND for a 100-g weight is 2 g (2% of 100 g), for a 1,000-g weight, the JND would also be 2% of 1,000 g, which is 20 g.

The JND for a 100-G Weight Is 2 G