From:  Visuospatial attention and intelligence in children with ADHD-hyperactive type

 Mean verbal abstraction scores in the ADHD-H and control group (non-significant differences).

Verbal abstraction measureControls (mean ± SD)ADHD-H (mean ± SD)Mean differencet (df = 136)p
Comprehension (6 items)4.65 ± 0.254.32 ± 2.310.331.15n.s.
Verbal absurdities (9 items)7.40 ± 0.457.12 ± 2.230.280.99n.s.
Total (15 items)11.32 ± 0.1110.91 ± 2.250.411.47n.s.

n.s.: non-significant; ADHD-H: attention deficit hyperactivity disorder-hyperactive type. No statistically significant differences were found between groups (p > 0.05).