AGE	SEX	EDU	TMTA	TMTB	DSB
AGE	1	−0.16	0.14	0.34	0.34	−0.19
SEX	−0.16	1	−0.21	−0.07	0.01	−0.07
EDU	0.14	−0.21	1	0.05	−0.11	0.25
TMTA	0.34	−0.07	0.05	1	0.57	−0.23
TMTB	0.34	0.01	−0.11	0.57	1	−0.39
DSB	−0.19	−0.07	0.25	−0.23	−0.39	1

Hedden, T., & Yoon, C. (2006). Individual differences in executive processing predict susceptibility to interference in verbal working memory. Neuropsychology, 20(5), 511–528. doi:10.1037/0894-4105.20.5.511.supp

N = 121

Sex coding: female > male

Education coding: higher is better