Imagine your professor asks you to conduct an experiment in which you have to increase the intensity of a light several times and determine the smallest change in the intensity of light that your friend can detect. You are measuring your friend's
A) just noticeable difference (JND).
B) Gestalt perception.
C) sensory code.
D) absolute threshold.

Question

Quizplus · Accepted Answer

The experiment described is designed to measure the just noticeable difference (JND) in light intensity. JND is the smallest change in a stimulus that can be detected by an observer. In this case, the observer is the friend and the stimulus is the intensity of the light. Therefore, the best choice is A) just noticeable difference (JND). Gestalt perception, sensory code, and absolute threshold are not directly relevant to this experiment.

Imagine Your Professor Asks You to Conduct an Experiment in Which