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Flynn effect

The observed rise in IQ scores over time, approximately three points per decade.

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    What the corpus says

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    The G factor accounts for about 50% of the variance in intelligence test scores, universally observed across cultures.
    The Bell Curve's discussion on racial differences in IQ sparked controversy, especially its claim of a one standard deviation gap between black and white Americans.
    Adoption studies show adopted children's IQs correlate more with biological than adoptive parents, suggesting strong genetic influence.
    IQ scores have increased by three points per decade, known as the Flynn effect, challenging the notion of static intelligence.
    The U.S. military excludes recruits with IQs below 83, highlighting intelligence's role in trainability and job performance.

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