A dynamical model of general intelligence: the positive manifold of intelligence by mutualism.

@article{Maas2006ADM,
  title={A dynamical model of general intelligence: the positive manifold of intelligence by mutualism.},
  author={H.L.J. van der Maas and Conor V. Dolan and Raoul P. P. P. Grasman and Jelte M. Wicherts and Hilde M. Huizenga and Maartje Eusebia Josefa Raijmakers},
  journal={Psychological review},
  year={2006},
  volume={113 4},
  pages={
          842-61
        }
}
Scores on cognitive tasks used in intelligence tests correlate positively with each other, that is, they display a positive manifold of correlations. The positive manifold is often explained by positing a dominant latent variable, the g factor, associated with a single quantitative cognitive or biological process or capacity. In this article, a new explanation of the positive manifold based on a dynamical model is proposed, in which reciprocal causation or mutualism plays a central role. It is… 

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