The difference threshold is defined as the degree of change in a stimulus level that is required in order for a person to detect a change __________ of the time.
A) 25 percent
B) 50 percent
C) 75 percent
D) 90 percent
E) 100 percent

Question

Quizplus · Accepted Answer

The difference threshold, also known as the just noticeable difference (JND), is defined as the smallest difference in stimulus intensity that a specific sense can detect, and it is typically set at a level where the change is detected 50 percent of the time.

The Difference Threshold Is Defined as the Degree of Change