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AP Psychology
Unit 3 – Sensation and Perception
Topic 3.1
How does the Weber's Law, a concept in psychophysics, apply to one's perception of brightness in different lighting conditions?
Brightness perception is not affected by a change in light intensity according to Weber's law.
The JND for brightness increases exponentially as light intensity decreases.
The JND for brightness remains constant regardless of initial light intensity.
The just noticeable difference (JND) for brightness is proportional to the initial light intensity.
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AP Psychology - 3.1 Principles of Sensation
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Brightness
Lighting Conditions
Psychophysics
Weber's law
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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