Table 2.
Group | N | Minimum | Maximum | Mean | SD |
---|---|---|---|---|---|
Reading (raw score; 68 items) | |||||
Control | 1719 | 0.00 | 68.00 | 53.66 | 19.16 |
ADHD | 212 | 0.00 | 68.00 | 47.26 | 22.41 |
Total | 1931 | 0.00 | 68.00 | 52.96 | 19.64 |
Spelling (raw score; 34 items) | |||||
Control | 1723 | 0.00 | 34.00 | 19.12 | 9.81 |
ADHD | 212 | 0.00 | 33.00 | 15.79 | 9.83 |
Total | 1935 | 0.00 | 34.00 | 18.76 | 9.87 |
SD, standard deviation; N, sample size; ADHD, attention deficit/hyperactivity disorder group.