Regularities in Spearman ’ s Law of Diminishing Returns

@inproceedings{Jensen2003RegularitiesIS,
  title={Regularities in Spearman ’ s Law of Diminishing Returns},
  author={Arthur R. Jensen},
  year={2003}
}
The lower average correlations among mental tests in groups of individuals of above-average IQ than is found in groups of individuals of below-average IQ implies a smaller general factor, or g, in the higherIQ group, a phenomenon Spearman called the ‘Law of Diminishing Returns’. This phenomenon was confirmed in six independent data sets based on three different test batteries. It implies that psychometric g is less general in persons of high IQ andmore general among those of low IQ. Two… CONTINUE READING

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