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. 2012 Jan;40(1):49–59. doi: 10.1016/j.intell.2011.10.007

Fig. 2.

Fig. 2

Latent growth curve model of the level and change in general cognitive ability over 2 waves of the MRC National Survey of Health and Development. The model shows a latent general cognitive ability factor (G) at each age comprising VM = Verbal Memory, and SS = Search Speed. See note for Fig. 1.