Table 2.
Performance on the simple and complex Go/No-Go tasks for boys and girls in the ADHD and TD groups
| Simple GNG task |
Complex GNG task |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Girls (n=87) |
Boys (n=94) |
Girls (n=87) |
Boys (n=94) |
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| TD (n=47) |
ADHD (n=40) |
TD (n=53) |
ADHD (n=41) |
TD (n=47) |
ADHD (n=40) |
TD (n=53) |
ADHD (n=41) |
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| M | SD | M | SD | M | SD | M | SD | M | SD | M | SD | M | SD | M | SD | |
| Omi | 0.03 | (0.05) | 0.04 | (0.06) | 0.03 | (0.03) | 0.04 | (0.05) | 0.02 | (0.03) | 0.03 | (0.05) | 0.03 | (0.03) | 0.05 | (0.08) |
| Com | 0.33 | (0.19) | 0.36 | (0.19) | 0.35 | (0.20) | 0.48 | (0.20) | 0.39 | (0.20) | 0.50 | (0.18) | 0.42 | (0.18) | 0.54 | (0.20) |
| MRT | 405.4 | (97.2) | 421.3 | (79.3) | 389.6 | (94.7) | 400.0 | (94.6) | 401.4 | (104.8) | 447.2 | (110.5) | 396.0 | (110.2) | 409.0 | (126.4) |
| SDRT | 130.1 | (71.3) | 154.2 | (73.7) | 122.7 | (67.9) | 169.2 | (103.5) | 142.4 | (72.7) | 180.9 | (87.8) | 152.4 | (110.9) | 185.0 | (130.0) |
| CVRT | 0.31 | (0.12) | 0.36 | (0.15) | 0.31 | (0.12) | 0.40 | (0.19) | 0.35 | (0.16) | 0.39 | (0.14) | 0.36 | (0.20) | 0.42 | (0.20) |
| Mu | 291.0 | (52.0) | 297.5 | (53.2) | 287.3 | (60.5) | 266.4 | (52.5) | 286.3 | (66.4) | 293.9 | (77.5) | 275.3 | (76.6) | 254.8 | (60.8) |
| Sigma | 31.1 | (18.6) | 34.8 | (20.4) | 31.0 | (20.4) | 28.4 | (19.2) | 34.4 | (30.8) | 39.9 | (32.1) | 32.2 | (25.9) | 26.8 | (30.9) |
| Tau | 114.4 | (65.6) | 123.8 | (58.2) | 102.3 | (56.0) | 133.6 | (77.1) | 115.1 | (53.1) | 153.3 | (78.4) | 120.7 | (77.5) | 155.5 | (102.1) |
M mean, SD standard deviation, Omi omission error rate (proportion of “Go” trials), Com commission error rate (proportion of “No-Go” trials), MRT mean reaction time (RT), SDRT standard deviation of RT, CVRT coefficient of variation (SDRT/MRT)