On average, students who received Visualizing and Verbalizing® instruction achieved significant improvements in areas associated with language comprehension. They made large (statistically significant) standard score changes on two of the three measures. Additionally, the 24-point percentile increase in Comprehension puts these students well within the normal range (25th–75th percentile).
Results of Students Who Received Comprehension Instruction
Number of Students: 5,633
Average Age: 12.4
Average Hours of Instruction: 101.5
Lindamood-Bell Instruction Implemented: Visualizing and Verbalizing