AP Psychologyeasymcq1 pt
Weber's law states that the just noticeable difference
A.is a constant proportion of stimulus intensity
B.is the same amount at every intensity
C.applies only to vision
D.doubles the absolute threshold
Explanation
Core Concept
A whisper's added sound is noticeable; a shout's is not — the JND scales with the stimulus's magnitude.
Correct Answer
Ais a constant proportion of stimulus intensity
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