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

 Group comparisons on visuospatial attention, fluid intelligence, and verbal abstraction measures.

MeasureControls
(mean ± SD)
ADHD-H
(mean ± SD)
t (df = 136)pCohen's d95% CI
VFDT total score27.02 ± 2.2023.90 ± 2.407.97< 0.0011.35[0.98, 1.72]
RCPMs total score27.58 ± 1.8123.02 ± 3.314.56< 0.0011.69[1.30, 2.08]
Verbal Abstraction Total score11.32 ± 0.1110.91 ± 2.251.590.1160.26[−0.08, 0.60]

VFDT: Visual Form Discrimination Test; RCPMs: Raven’s Colored Progressive Matrices; ADHD-H: attention deficit hyperactivity disorder-hyperactive type.