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Instrument to Visually Examine

question 143

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Instrument to visually examine:


Definitions:

Differential Threshold

is the smallest detectable difference between two sensory stimuli, indicating the minimum change needed for detection.

Frequency

The rate at which something occurs over a particular period or in a given sample.

Ernst Weber

A 19th-century German psychologist and one of the founders of experimental psychology, known for his work in the field of psychophysics, particularly Weber's Law concerning human perception.

Psychophysicist

A researcher who studies the relationship between physical stimuli and the sensations and perceptions they evoke.

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