Middle School Students
On average, Middle School students who received Visualizing and Verbalizing instruction achieved significant improvements in comprehension. They made large (statistically significant) standard score changes on their language comprehension measure. Additionally, the 21-point percentile increase in Written Language Comprehension put these students within the normal range (25th–75th percentile).
Results of Middle School Students Who Received Comprehension Instruction Only
Years: Jan. 2008 – Sept. 2021
Number of Students: 1,611
Average Age: 13.1
Average Hours of Instruction: 104.8
Lindamood-Bell Instruction Implemented: Visualizing and Verbalizing