Specific Learning Disability – Comprehension
Comprehension Difficulties
On average, students with a prior SLD diagnosis who received Visualizing and Verbalizing instruction achieved significant improvements in comprehension. Additionally, the 14-point percentile increase in Written Language Comprehension puts these students within the normal range (25th–75th percentile).
Students with a Prior SLD Diagnosis Who Received Comprehension Instruction Only

Lindamood-Bell Instruction Implemented: Visualizing and Verbalizing
Years: Jan. 2008 – Dec. 2024
Number of Students: 628
Average Age: 14.3
Average Instruction Hours: 121.3
