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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Learn Individ Differ. 2010 Apr 1;20(2):63. doi: 10.1016/j.lindif.2009.10.004

Fig. 1.

Fig. 1

Best-fitting phenotypic model, consisting of a four-factor solution representing Decoding, Fluency, Comprehension, and Math, with factor correlations and standardized factor loading scores and residuals. Note. Only one child from the twin pair was used for these analyses. *p<.05.