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 _____ percent of the time.
A)25
B)75
C)50
D)100

Question

Quizplus · Accepted Answer

The difference threshold, also known as the just noticeable difference (JND), is the minimum amount of change needed for a person to detect a difference between two stimuli. This is typically determined by finding the point at which a person can detect a difference 50 percent of the time, making the correct answer choice C.

The Difference Threshold Is Defined as the Degree of Change