Absolute threshold vs. difference threshold
Which statement defines the absolute threshold?
Answer C: explanation for every choice
A
This is the difference threshold, or just-noticeable difference.
B
Reduced responding to a constant stimulus is sensory adaptation.
C
Correct. The absolute threshold is the weakest stimulus a person detects half the time.
D
Stimuli below the absolute threshold can still influence behavior, for example through subliminal priming.
TakeawayAbsolute threshold: detecting a stimulus at all. Difference threshold: detecting a change.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID ps32.