Table 2.
Working memory performance.
| Training group |
Control group |
t-test (between-subject) |
||||||
|---|---|---|---|---|---|---|---|---|
| Task | T1 | T2 | t-test (T1 to T2) | T1 | T2 | t-test (T1 to T2) | T1 | T2 |
| Zero-back | 0.97 (0.04) | 0.99 (0.03) | t(15) = 1.515, p = 0.148 | 0.97 (0.03) | 0.98 (0.03) | t(17) = 0.794, p = 0.440 | t(32) = 0.003, p = 0.998 | t(32) = 0.810, p = 0.424 |
| One-back | 0.91 (0.09) | 0.97 (0.03) | t(15) = 3.400, p = 0.003 | 0.91 (0.09) | 0.91 (0.11) | t(17) = 0.131, p = 0.898 | t(32) = 0.022, p = 0.983 | t(32) = 2.159, p = 0.038 |
| Two-back | 0.61 (0.11) | 0.81 (0.11) | t(15) = 7.368, p < 0.001 | 0.65 (0.12) | 0.66 (0.16) | t(17) = 0.448, p = 0.661 | t(32) = -1.135, p = 0.265 | t(32) = 3.203, p = 0.003 |
| Three-back | 0.42 (0.13) | 0.57 (0.13) | t(15) = 4.568, p < 0.001 | 0.42 (0.12) | 0.45 (0.15) | t(17) = 1.670, p = 0.116 | t(32) = 0.048, p = 0.962 | t(32) = 2.578, p = 0.015 |
Mean (SD); T1, pre-test; T2, post-test.