. Author manuscript; available in PMC: 2009 Nov 6.

Published in final edited form as: Cogn Affect Behav Neurosci. 2009 Jun;9(2):144–152. doi: 10.3758/CABN.9.2.144

Table 2. Descriptive statistics and intercorrelations among EF measures.

	Mean (SD)	1	2	3	4
1. Working memory (working memory)	21.79 (3.90)	-
2. Stroop (inhibition; residualized)	0 (27.22)	-.47^*	-
3. Trail making (task switching; residualized)	0 (45.32)	-.05	.19	-
4. Verbal fluency (cognitive flexibility)	33.62 (15.38)	.27^*	-.15	-.10	-

Note. N = 48. Uncorrected mean reading time on the critical Stroop inference card was 79.66 seconds (SD = 37.55). Uncorrected mean time to completion on the numbers-to-letters trail making card was 131.15 seconds (SD = 66.87).

p < .05 or belo