Table 4.
Means scores (standard errors) on pre- and post-treatment performance-based tests of youth in the three treatment conditions and main results of the repeated measures ANCOVAA (intent-to-treat analysis)
| Pre | Post |
F
Time |
F
Time × group |
|||||
|---|---|---|---|---|---|---|---|---|
| Cogmed WMT (n = 33) |
Stimulant medication (n = 29) |
Combined treatment (n = 25) |
Cogmed WMT (n = 33) |
Stimulant medication (n = 29) |
Combined treatment (n = 25) |
|||
| WISC digit span | 12.42 (0.44)a | 11.17 (0.46)a | 12.25 (0.49)a | 13.79 (0.51)b | 11.62 (0.53)ab | 13.64 (0.57)b | 3.99* | 1.59 |
| Corsi block-tapping | 13.87 (0.41)a | 12.93 (0.43)a | 13.37 (0.46)a | 16.70 (0.53)b | 13.93 (0.56)c | 16.88 (0.60)b | 7.16** | 6.32** |
| Stroop interference | 63.46 (6.85)a | 85.60 (7.13)a | 73.22 (7.68)a | 57.90 (4.37)b | 54.10 (4.55)b | 51.38 (4.90)b | 23.51*** | 4.78* |
| Bourdon-vos speed | 17.25 (0.73)a | 17.78 (0.77)a | 17.39 (0.82)a | 15.06 (0.51)b | 14.49 (0.53)b | 14.91 (0.57)b | 35.61*** | 1.54 |
| Bourdon-vos regularity | 3.76 (0.31)a | 3.66 (0.33)a | 3.20 (0.35)a | 2.64 (0.18)b | 2.28 (0.18)b | 2.16 (0.20)b | 24.15*** | 0.39 |
| Bourdon-vos accuracy | 22.49 (3.84)a | 20.62 (4.00)a | 22.20 (4.31)a | 15.93 (2.99)b | 12.64 (3.12)b | 10.42 (3.35)b | 4.85* | 1.04 |
| TEA-Ch sky search—selective attention | 4.53 (0.21)a | 4.24 (0.22)a | 4.32 (0.23)a | 3.68 (0.20)b | 3.35 (0.21)b | 3.35 (0.22)b | 11.98*** | 0.05 |
| TEA-Ch score!—sustained attention | 7.34 (0.36) | 6.94 (0.38) | 7.35 (0.41) | 7.96 (0.36) | 7.86 (0.37) | 7.86 (0.40) | 2.44 | 0.24 |
| TEA-Ch sky search DT—divided attention | 2.23 (0.90) | 2.86 (0.94) | 3.81 (1.01) | 1.67 (0.80) | 1.09 (0.84) | 3.00 (0.90) | 0.03 | 0.29 |
| TEA-Ch score! DT—divided attention | 14.31 (0.48)a | 13.55 (0.50)a | 14.28 (0.54)a | 15.15 (0.49)b | 15.88 (0.51)b | 15.46 (0.55)ab | 6.49* | 2.11 |
Superscripts pertain to between-group (Cogmed WMT vs. stimulant medication vs. combined treatment on both assessment occasions separately) and within-group (pre- to post-treatment) differences; means not sharing similar superscripts differ at p < .05
WMT working memory training, WISC Wechsler Intelligence Scale for Children, TEA-Ch test of everyday attention for children, DT dual task
***p < .001; **p < .01; *p < .05
AAll analyses were controlled for age