Abstract
RELIABLE investigations of intelligence suggest that at least 75 per cent of individual variations in ability are determined by inheritance1. The distribution of intelligence appears to be best described by a Pearson type IV curve2 determined mainly by polygenic factors.
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ORME, J. An Ante-natal Determinant of Intelligence. Nature 200, 1239 (1963). https://doi.org/10.1038/2001239a0
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DOI: https://doi.org/10.1038/2001239a0
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