You are seated in the lab and I place two sticks side by side exactly two feet in front of you.I start moving one of the sticks very,very slowly until you tell me that it looks farther away than the other.I am demonstrating what principle?

Question

Quizplus · Accepted Answer

The principle being demonstrated is the just-noticeable difference (JND), which refers to the minimum amount by which stimulus intensity must be changed in order to produce a noticeable variation in sensory experience. In this scenario, the slow movement of one stick away from the other represents a gradual change in stimulus (distance) until the difference becomes perceptible to you.

You Are Seated in the Lab and I Place Two