Table 2.
mean and SD scores of the normal group and ADHD in Wisconsin Card Sorting Test
| Percentiles | Normal group | ADHD | ||
|---|---|---|---|---|
| Mean | SD | Mean | SD | |
| Total errors | 19.18 | 12.69 | 28.71 | 14.22 |
| Perseverative responses | 13.92 | 10.61 | 23.17 | 15.22 |
| Perseverative errors | 17.78 | 11.32 | 26.89 | 11.75 |
| Non-perseverative errors | 5.97 | 7.08 | 9.24 | 11.63 |