If a participant were holding two different weights in their hands and could tell the difference between 80- and 82-gram weights, but not between 80- and 81-gram weights, then the JND would be _______ gram(s).

Question

Quizplus · Accepted Answer

The Just Noticeable Difference (JND) is the smallest difference in stimulation that a person can detect 50% of the time. In this case, the participant can distinguish between 80 and 82 grams but not between 80 and 81 grams, indicating that the JND is 2 grams.

If a Participant Were Holding Two Different Weights in Their