A study of 62 children (ages 7 to 12) with attention-deficit hyperactivity disorder (ADHD) and 62 controls found that behavioral variables established robust, statistically significant differences between groups. Children with ADHD also scored worse on 31 out of 61 neuropsychological variables, but obtained better scores on WISC-R Comprehension…

The Conners Rating Scale was used to identify psychoeducational, neuropsychological, and sociobehavioral variables in attempting to define subtypes within a population of 95 children (mean age 10.6 years) with learning disabilities (LD) or documented brain damage. Results supported the sociobehavioral component in LD subtyping and parallels…

A three-year study found that children with learning disabilities displayed a persistent pattern of maladaptive classroom behavior that distinguished them from average achievers and was associated with continued underachievement, especially for attention and conduct problem subtypes. The developmental relationship between learning disabilities,…