Table 4.
Mixed-effects linear models for discourse measures.
| Variable | No. of content units |
% Complete utterances |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | SE | df | t | p | Estimate | SE | df | t | p | |
| (Intercept) | 7.11 | 1.4 | 16 | 5.24 | < .001* | 48.75 | 14.5 | 10 | 3.36 | .007* |
| tDCS | 1.12 | 0.9 | 28 | 1.27 | .213 | −3.92 | 6.3 | 27 | −0.62 | .542 |
| Time: 1 week post | 1.00 | 0.8 | 27 | 1.30 | .205 | 15.26 | 5.5 | 27 | 2.76 | .010* |
| Time: 8 weeks post | 0.35 | 0.8 | 27 | 0.43 | .674 | −1.79 | 5.9 | 27 | −0.30 | .765 |
| Phase | −0.52 | 0.6 | 28 | −0.86 | .397 | 2.05 | 4.4 | 27 | 0.47 | .642 |
| tDCS × time (1 week post) | −1.67 | 1.1 | 27 | −1.53 | .137 | −5.89 | 7.8 | 27 | −0.75 | .457 |
| tDCS × time (8 weeks post) | −1.01 | 1.2 | 27 | −0.87 | .395 | 7.08 | 8.4 | 27 | 0.85 | .405 |
Note. SE = standard error; df = degrees of freedom; tDCS = transcranial direct current stimulation.
*
p ≤ .05.