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    Psychology A-Level

    heritability and concordance rates

    What heritability and concordance rates means in Psychology A-Level, as defined for AQA.

    Definition of heritability and concordance rates

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    Reference: AQA

    A coefficient from zero to one describing how much of the variation in a population is genetic, near 0.5 for intelligence, with concordance higher for identical than fraternal twins but never complete.
    AQA · Issues and debates in Psychology (study guide)

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