Table 3 Sample descriptive data and baseline comparisons between groups.
From: Augmentation of working memory training by transcranial direct current stimulation (tDCS)
Measure | Sham | Congruent | Incongruent | ANOVA/χ2 | p-value |
|---|---|---|---|---|---|
Gender (female/male) | 18/5 | 18/6 | 21/3 | X2(2) = 1.27 | 0.529 |
Age | 26.74 (7.00) | 22.96 (2.03) | 23.75 (4.67) | F(2,68) = 3.77 | 0.028 |
Education (in years) | 18.12 (4.25) | 16.08 (1.81) | 16.33 (2.83) | F(2,68) = 2.98 | 0.058 |
MWT-B | 103.52 (14.54) | 101.33 (10.20) | 99.79 (8.15) | F(2,68) = 0.65 | 0.524 |
EHI (laterality-quotient) | 93.00 (13.85) | 88.75 (13.85) | 92.63 (12.86) | F(2,68) = 0.72 | 0.49 |
Training task (mean n) | 2.70 (0.71) | 2.69 (0.60) | 2.56 (0.52) | F(2,68) = 0.40 | 0.674 |
Transfer task (d-prime) | 2.18 (0.82 | 2.25 (0.95) | 1.90 (0.78) | F(2,68) = 1.13 | 0.329 |