The minimum intensity of sensory stimulation required before a sensation is detected 50 percent of the time is called
A) the absolute threshold.
B) signal detection.
C) the difference threshold.
D) sensory adaptation.

Question

Quizplus · Accepted Answer

The absolute threshold refers to the minimum level of stimulus intensity needed for a stimulus to be detected at least half the time by an observer. It is a basic concept in sensory psychology, indicating the point at which a stimulus goes from undetectable to detectable to the senses.

The Minimum Intensity of Sensory Stimulation Required Before a Sensation