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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Monogr Soc Res Child Dev. 2013 Aug;78(4):119–132. doi: 10.1111/mono.12038

Table 1.

Correlations between full and short NIH Toolbox CFB and gold standard composite scores for younger (3 to 6 years) and older (8 to 15 years) children (all p’s <. 0001)

Full Composites Short Composites

Age 3–6 Age 8–15 Age 3–6

Crystallized .88 (df=114) .90 (df=85) .73 (df=109)
Fluid .78 (df=111) .70 (df=85) .69 (df=111)
Total .90 (df=114) .88 (df=85) .80 (df=113)