Table 3.

Mixed-effects linear models of change in sentence production and comprehension.

Variable	Sentence production					Sentence comprehension
	Estimate	SE	df	t	p	Estimate	SE	df	t	p
(Intercept)	30.32	9.1	12	3.35	.006*	71.64	7.5	16	9.58	< .001*
tDCS	−0.59	3.8	1228	−0.16	.876	−8.15	4.3	1230	−1.92	.056
Time: 1 week post	1.43	3.6	1222	0.40	.692	−1.91	4.0	1222	−0.47	.637
Time: 8 weeks post	−1.51	3.8	1225	−0.39	.694	−3.86	4.3	1228	−0.90	.366
Phase	−2.57	2.4	1229	−1.08	.281	1.45	2.7	1228	0.55	.585
tDCS × time (1 week post)	11.43	5.1	1222	2.24	.025*	10.48	5.7	1222	1.84	.067
tDCS × time (8 weeks post)	3.89	5.3	1224	0.74	.460	13.39	5.9	1225	2.28	.023*

Note. SE = standard error; df = degrees of freedom; tDCS = transcranial direct current stimulation.

^* p ≤ .05.