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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: J Child Psychol Psychiatry. 2017 Sep 26;59(3):258–267. doi: 10.1111/jcpp.12808

Figure 1.

Figure 1

Proportions of children at different grade levels of achievement at age 9 and 18 for Lower-(IQ<85) vs. Higher-IQ (IQ≥85) groups. Redbox indicates the grades at which children were placed at age 9 and 18.