The lowest intensity of a particular stimulus that enables the average person to detect that stimulus 50 percent of the time it is presented is called the:
A)absolute threshold.
B)difference threshold.
C)just noticeable difference.
D)sensation threshold.

Question

Quizplus · Accepted Answer

The definition provided matches that of the absolute threshold, which is the smallest amount of stimuli that a person can perceive at least 50% of the time. The other options refer to different concepts related to perception, but they do not match the definition given in the question. The difference threshold refers to the smallest difference between two stimuli that can be detected, the just noticeable difference is another term for the difference threshold, and the sensation threshold is not a commonly used psychological concept. Therefore, the correct answer is A) absolute threshold.

The Lowest Intensity of a Particular Stimulus That Enables the Average