On average, adult students who received Visualizing and Verbalizing instruction achieved significant improvements in comprehension. They made medium (statistically significant) standard score changes on two of three measures while experiencing a large (statistically significant) increase in Written Language Comprehension. These changes placed them into the normal range (25th–75th percentile).
Results of Adult Students Who Received Comprehension Instruction Only
Years: Jan. 2008 – Sept. 2021
Number of Adults: 363
Average Age: 26.2
Average Hours of Instruction: 113.6
Lindamood-Bell Programs Implemented: Visualizing and Verbalizing