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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Intelligence. 2014 Sept-Oct;46:122–130. doi: 10.1016/j.intell.2014.05.009

Figure 4.

Figure 4

Means (and standard errors) of within-person standard deviations for vocabulary test scores at T1, and for the T2-T1 differences in vocabulary test scores by age decade.