High School Students
On average, High School students who received Visualizing and Verbalizing instruction achieved significant improvements in comprehension. They made medium (statistically significant) standard score changes on two of the three measures. Additionally, the 19-point percentile increase in Written Language Comprehension put these students within the normal range (25th–75th percentile).
Results of High School Students Who Received Comprehension Instruction Only
Years: Jan. 2008 – Sept. 2021
Number of Students: 841
Average Age: 16.2
Average Hours of Instruction: 103.8
Lindamood-Bell Instruction Implemented: Visualizing and Verbalizing