Table 1 Performance Data
Group | ||||||||
|---|---|---|---|---|---|---|---|---|
Controls (N) N = 11 | AD/HD (A) N = 10 | AD/HD+ODD/CD (AO) N = 11 | ODD/CD (O) N = 8 | ANCOVA (covariate "age") | ||||
Measure | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | F (3,35) | p | Planned contrasts | |
Go-reaction-time (ms) | 598 (81.6) | 583 (46.2) | 594 (52.7) | 649 (109.9) | 1.97 | .14 | ||
SD of Go-reaction- time | 161 (43.2) | 157.6 (28.4) | 155.5 (25.6) | 188.5 (49.7) | 1.76 | .17 | ||
Percentage of correct Go-trials | 88.4 (.08) | 82.8 (.09) | 79.9 (.11) | 84.0 (.08) | 1.43 | .25 | ||
Stop-failure reaction-time (ms) | 450 (37.6) | 492 (50.5) | 502 (50.2) | 477 (57.5) | 3.70* | .02 | N < A*, AO*, O*/A = AO = O | |
SSRT at 250 ms SSD (ms) | 245 (33.9) | 272 (47.4) | 256 (53.1) | 274 (49.8) | 3.41* | .03 | N < A*, O*/N = AO/AO < A*, O* | |
Inhibition-function (percentage of Stop failures) | 100 ms SSD | 3.9 (5.5) | 11.0 (9.9) | 9.1 (9.9) | 5.8 (5.0) | Group: F(3,35) = 1.50, p = .21 | ||
250 ms SSD | 30.0 (11.1) | 40.3 (16.1) | 29.9 (9.6) | 27.9 (13.2) | ||||
700 ms SSD | 88.8 (12.0) | 89.8 (7.0) | 90.8 (6.3) | 84.3 (12.5) | Group*SSD: F(6,70) = 1.61, ε = .95, p = .16 | |||