Table 2.
t-test Before Intervention in TMT, Digit Span Task and their scaled scores (SS)
| Intervention Group (n = 15) | Control Group (n = 15) | Statistics | ||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | t | df | p | d | |
| TMT | ||||||||
| Part A | 74.60 | 32.29 | 82.33 | 33.38 | −0.64 | 28 | .524 | .23 |
| Part B | 142.07 | 64.44 | 152.33 | 58.46 | −0.46 | 28 | .651 | .17 |
| Part A (SS) | 6.33 | 2.72 | 7.67 | 2.77 | −1.33 | 28 | .194 | .49 |
| Part B (SS) | 8.07 | 2.43 | 9.60 | 2.32 | −1.76 | 28 | .089 | .64 |
| Digit Span Task (DST) WAIS- III | ||||||||
| DST Forward | 8.00 | 2.56 | 8.13 | 1.46 | −0.17 | 28 | .862 | .06 |
| DST Backward | 5.73 | 1.10 | 6.60 | 1.92 | −1.52 | 28 | .140 | .55 |
| Total DST | 18.93 | 4.53 | 19.67 | 4.25 | −0.46 | 28 | .651 | .17 |
| DST Forward (SS) | 8.80 | 3.21 | 10.87 | 2.70 | −1.91 | 28 | .067 | .72 |
| DST Span Backward (SS) | 7.73 | 1.94 | 11.27 | 3.15 | −3.70 | 28 | .001 | 1.40 |
| Total DST (SS) | 7.53 | 2.56 | 10.60 | 2.77 | −3.15 | 28 | .004 | 1.15 |
TMT Trail Making Test Part A and B, SS Scaled Score, M Mean, SD Standard Deviation, t t-Student: df degree of freedom, p p-value, d d Cohen effect size