filial regression

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The tendency for a child of a parent who scores extremely high or extremely low on some heritable characteristic, such as IQ or physical stature, to score closer to the population mean than the parent. This phenomenon is explained by regression towards the mean. Also called Galton's law of filial regression. See also overdominance. [From Latin filius a son + regressus a retreat + -ion indicating an action, process, or state]

Subjects: Psychology.

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