Table 3.

Bivariate correlations among executive functions and the verbal span and IQ tasks.

Bivariate correlations (n = 55)	K-Bit	Direct digits	Reversed digits	Stroop Interference	Stroop Word	TMT-B	N-Back errors
Direct digits	0.37∗∗
Reversed digits	0.45∗∗	0.62∗∗
Stroop Interference	0.05	0.01	-0.06
Stroop Word	0.31∗	0.55∗∗	0.53∗∗	-0.27
TMT-B	0.41∗∗	-0.18	-0.32∗	0.12	-0.36∗∗
N-Back (errors)	-0.49∗∗	-0.44∗∗	-0.42∗∗	-0.29∗	-0.35∗∗	0.26
Mu	-0.20	-0.07	-0.04	0.08	-0.10	0.06	0.12

^∗p < 0.05, ^∗∗p < 0.01.