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Describe cluster sampling and identify some strengths and weaknesses of this technique.
Lit Candles
Candles that have been ignited to produce light or fragrance, often used for ambiance or ceremonial purposes.
Illumination
The delivery of light to an area, making it visible or more brightly lit; also refers to understanding or enlightenment.
Weber Fraction
A measure in psychophysics that quantifies the perception of change in a given stimulus relative to its intensity.
Visual Discriminations
The ability to perceive and differentiate visual stimuli and fine details among similar objects or forms.
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