Special Education—Comprehension
Comprehension Difficulties
On average, students receiving Special Educations services who received Visualizing and Verbalizing instruction achieved significant improvements in comprehension. They made large (statistically significant) standard score changes on two of the three measures. Additionally, the 15-point percentile increase in Written Language Comprehension, a large (statistically significant) standard score change, put these students in the normal range (25th–75th percentile).
Results of SPED Students Who Received Comprehension Instruction Only

Lindamood-Bell Instruction Implemented: Visualizing and Verbalizing
Years: Jan. 2008 – Dec. 2024
Number of Students: 1,737
Average Age: 13.0
Average Instruction Hours: 123.0
