The smallest difference between two stimuli that people can perceive 50% of the time is called the absolute threshold.

Question

Quizplus · Accepted Answer

The smallest difference between two stimuli that people can perceive 50% of the time is called the just noticeable difference (JND) or differential threshold, not the absolute threshold. The absolute threshold refers to the minimum intensity of a stimulus that a person can detect 50% of the time.

The Smallest Difference Between Two Stimuli That People Can Perceive