. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Learn Individ Differ. 2011 Aug;21(4):327–336. doi: 10.1016/j.lindif.2011.01.007

Table 5.

Correlations between EF Subtests and WJ-R Math and Skill Subtests

Age	Calculation			Applied Problems			Quantitative Concepts			Dictation			Proofing
Age	MN	PC	PCn	MN	PC	PCn	MN	PC	PCn	MN	PC	PCn	MN	PC	PCn
5	.24^**	.24^**	.12	.48^**	.35^**	.43^**	.46^**	.43^**	.45^**	.50^**	.37^**	.44^**	.43^**	.40^**	.43^**
6	.48^**	.49^**	.34^**	.53^**	.53^**	.44^**	.48^**	.51^**	.44^**	.57^**	.53^**	.45^**	.46^**	.46^**	.35^**
7	.31^**	.41^**	.27^**	.43^**	.42^**	.34^**	.40^**	.43^**	.36^**	.42^**	.40^**	.33^**	.32^**	.38^**	.32^**
8–9	.47^**	.35^**	.56^**	.57^**	.33^**	.60^**	.52^**	.31^**	.58^**	.57^**	.32^**	.56^**	.47^**	.28^**	.50^**
10–11	.43^**	.28^**	.47^**	.46^**	.36^**	.45^**	.49^**	.30^**	.49^**	.45^**	.32^**	.44^**	.49^**	.32^**	.44^**
12–13	.44^**	.32^**	.44^**	.46^**	.34^**	.47^**	.46^**	.34^**	.41^**	.45^**	.30^**	.41^**	.43^**	.38^**	.31^**
14–15	.30^**	.16	.44^**	.39^**	.29^**	.45^**	.38^**	.25^**	.40^**	.44^**	.32^**	.49^**	.29^**	.17	.40^**
16–17	.31^**	.30^**	.38^**	.49^**	.47^**	.55^**	.47^**	.42^**	.49^**	.48^**	.46^**	.54^**	.35^**	.34^**	.37^**

Note. MN = Matching Numbers; PC = Planned Codes; PCn = Planned Connections

p < .05

^**

p<.01