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

Question

Quizplus · Accepted Answer

The difference threshold, also known as the just noticeable difference (JND), is defined as the minimum amount of change in a stimulus that can be detected by a person at least 50% of the time. Therefore, the correct choice is B, 50.

The Difference Threshold Is the Degree of Change That Is