It is estimated that between 5% and 8% of the general population of children qualify as having Attention Deficit Hyperactivity Disorder (ADHD). Hyperactivity, inattentiveness, and/or impulsiveness are the main characteristics. Lindamood-Bell Learning Center students who reported having previous, third- party diagnoses of ADHD, on average, received instruction that was fairly evenly split between the Seeing Stars® program for decoding, and the Visualizing and Verbalizing® program for comprehension – or a combination of the two.
In 2011, Lindamood-Bell Learning Centers worked with 613 students who reported having previous, third-party diagnoses of ADHD. That is 23% of the total student population in our Learning Centers. Before starting instruction, on average, these students tested below the 45th percentile in the following categories of the Lindamood-Bell learning ability evaluation: symbol imagery, phonemic awareness, word attack, and comprehension.
After completing instruction, these students achieved the following average gains: