Table 4.
D-KEFS Tests Yielding Significant Group Differences
| Control | ADHD | p | da | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boys
(n = 35) |
Girls
(n = 34) |
Total
(n = 69) |
Boys
(n = 32) |
Girls
(n = 22) |
Total
(n = 54) |
|||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
| COLOR WORD INTERFERENCE | ||||||||||||||
| CN* | 11.5 | 1.7 | 12.2 | 2.7 | 11.9 | 2.3 | 9.4 | 3.7 | 10.3 | 3.3 | 9.8 | 3.5 | .000 | 0.71 |
| WR* | 11.9 | 2.0 | 11.8 | 1.6 | 11.9 | 1.8 | 10.4 | 2.9 | 11.3 | 2.3 | 10.8 | 2.7 | .014 | 0.48 |
| IN* | 11.7 | 2.0 | 11.8 | 2.1 | 11.8 | 2.0 | 9.8 | 3.4 | 10.4 | 2.2 | 10.0 | 3.0 | .000 | 0.71 |
| IS* | 11.6 | 1.7 | 11.9 | 2.0 | 11.7 | 1.9 | 9.7 | 3.3 | 10.6 | 2.1 | 10.0 | 2.9 | .000 | 0.69 |
| COMB* | 12.0 | 1.6 | 12.2 | 1.6 | 12.1 | 1.6 | 10.1 | 3.0 | 11.1 | 2.5 | 10.5 | 2.8 | .000 | 0.70 |
| CON1 | 10.3 | 1.7 | 9.8 | 2.5 | 10.0 | 2.1 | 10.3 | 2.9 | 10.1 | 2.5 | 10.2 | 2.7 | .644 | 0.08 |
| CON2 | 9.6 | 1.8 | 9.7 | 1.7 | 9.6 | 1.7 | 9.6 | 3.0 | 9.6 | 2.3 | 9.6 | 2.7 | .837 | 0.00 |
| CON3 | 98 | 2.1 | 10.1 | 1.9 | 10.0 | 2.0 | 9.9 | 2.8 | 10.2 | 1.7 | 10.0 | 2.4 | .818 | 0.00 |
| TOWER | ||||||||||||||
| TA* | 11.1 | 1.8 | 11.5 | 1.7 | 11.3 | 1.7 | 10.5 | 1.9 | 10.1 | 1.9 | 10.3 | 1.9 | .003 | 0.55 |
Note. ADHD = Attention Deficit Hyperactivity Disorder;
a
Effect size (Cohen’s d) for group comparison (ADHD vs. TD). CN = Color Naming SS; WR = Word Reading SS; IN = Inhibition SS; IS = Inhibition-Switching SS; COMB = Color Naming + Reading SS; CON1 = Inhibition vs. Color Naming SS; CON2 = Inhibition-Switching vs. COMB; CON3 = Inhibition-Switching vs. Inhibition SS; TA = Total Accuracy Scaled Score.
*
TD > ADHD (total) p < .01.