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audibility curve

the relationship between the threshold of hearing for a pure tone, expressed in decibels sound-pressure level (dB SPL), and the frequency of the tone. Compare audiogram.

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Psychology term of the day

November 22nd 2024

population variance

population variance

(symbol: σ2) the square of the population standard deviation. It is a measure reflecting the spread (dispersion) of scores in a complete population of interest (e.g., the test scores of all students at a school).