Goal management training improves executive control in adults with ADHD: an open trial employing attention network theory to examine effects on attention

Table 3 Summary of a linear mixed-effects model of the Flanker Conflict-effect

								Random effects
Parameter		Fixed effects				By Subject
	β	SE	95% CI	t	p	δt		SD
	β	SE	LL	UL	p	δt		SD
Intercept	.458	.030	.399	.518	15.045	< .001***			.122
								Session
Post-assessment	− .066	.020	− .105	− .026	− 3.286	< .01**	− 0.21		.053
Follow up-assessment	− .069	.027	− .122	− .015	− 2.515	< .05*	− 0.22		.078
Age	− .006	.002	− .011	− .002	− 2.672	< .05*	− 0.02
Medication status	− .072	.030	− .130	− .014	− 2.423	< .05*	− 0.23
Post-assessment*Age	.002	.001	− .000	.004	1.700	.11	0.01
Follow up-assessment*Age	.003	.002	.000	.007	2.040	.06	0.01
Post-assessment*Medication status	.042	.029	− .014	.099	1.470	.16	0.14
Follow up-assessment*Medication status	.053	.039	− .023	.129	1.374	.18	0.17

Age = Age in years centered using grand mean centering, Medication status = Factor describing whether or not participants use ADHD-medication, 95% confidence intervals approximated using the Wald method. *** = p < .001, ** = p < .01, * = p < .05

ISSN: 2050-7283