Table 9.

Executive functions performance (reaction time): Post hoc comparisons for the Task × Group interaction

Comparison	t(df)	p valuea	db
YA Base vs. YA WM	−2.59 (39)	.16	0.39
YA Base vs. YA AS	−2.86 (39)	.08	0.45
YA INH vs. YA Base	7.32 (39)	<.001	1.69
YA AS vs. YA WM	0.28 (39)	1	0.11
YA INH vs. YA WM	4.73 (39)	<.001	0.66
YA INH vs. YA AS	4.46 (39)	<.001	0.63
OA Base vs. OA WM	−2 (38)	.752	0.27
OA Base vs. OA AS	−1.89 (38)	.96	0.21
OA INH vs. OA Base	10.4 (38)	<.001	1.88
OA AS vs. OA WM	−0.11 (38)	1	0.05
OA INH vs. OA WM	8.35 (38)	<.001	0.8
OA INH vs. OA AS	8.46 (38)	<.001	1.07
OA Base vs. YA Base	5.56 (77)	<.001	0.72
OA WM vs. YA WM	5.01 (77)	<.001	0.86
OA AS vs. YA AS	4.62 (77)	<.001	0.78
OA INH vs. YA INH	8.71 (77)	<.001	0.96

Note. YA = younger adults; OA = older adults; Base = baseline task; WM = working memory task; AS = attention switching task; INH = inhibition task.

^ap values are Bonferroni adjusted.

^bCohen’s d effect size.