Table 2.
Mixed-effects linear models of change in naming accuracy.
| Variable | Trained verbs |
Untrained verbs |
Nouns |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | SE | df | t | p | Estimate | SE | df | t | p | Estimate | SE | df | t | p | |
| (Intercept) | 38.23 | 9.14 | 25 | 4.19 | < .001* | 53.94 | 7.62 | 11 | 7.08 | < .001* | 65.99 | 7.13 | 9 | 9.25 | < .001* |
| tDCS | −2.44 | 6.20 | 724 | −0.39 | .694 | 1.51 | 1.74 | 3381 | 0.87 | .384 | −2.10 | 2.01 | 6642 | −1.04 | .297 |
| Time: 1 week post | 12.10 | 5.87 | 716 | 2.06 | .040* | −6.07 | 2.64 | 3374 | −2.30 | .022* | 0.26 | 1.90 | 6634 | 0.14 | .890 |
| Time: 8 weeks post | 8.67 | 6.26 | 722 | 1.39 | .166 | −10.23 | 2.79 | 3380 | −3.66 | < .001* | −7.78 | 2.02 | 6640 | −3.85 | < .001* |
| Phase | 1.78 | 3.89 | 722 | 0.46 | .648 | −14.01 | 2.79 | 3382 | −5.03 | < .001* | −6.90 | 1.26 | 6640 | −5.48 | < .001* |
| tDCS × Time (1 week post) | 5.65 | 8.29 | 716 | 0.68 | .496 | 14.56 | 3.73 | 3374 | 3.90 | < .001* | 3.53 | 2.69 | 6634 | 1.31 | .190 |
| tDCS × Time (8 weeks post) | −4.64 | 8.58 | 720 | −0.54 | .589 | 18.38 | 3.84 | 3377 | 4.78 | < .001* | 3.90 | 2.78 | 6638 | 1.40 | .160 |
Note. SE = standard error; df = degrees of freedom; tDCS = transcranial direct current stimulation.
p ≤ .05.