On average, students receiving Special Education services who received Seeing Stars instruction achieved significant improvements in decoding. They made large (statistically significant) standard score changes on all measures. Vocabulary was not a targeted measure of instruction. Additionally, a 15-point percentile increase in Word Recognition and, notably, a 16-point percentile increase in Written Language Comprehension put these students within the normal range (25th–75th percentile).
Results of SPED Students Who Received Decoding Instruction Only
Years: Jan. 2008 – Sept. 2021
Number of Students: 2,279
Average Age: 10.5
Average Hours of Instruction: 124.5
Lindamood-Bell Instruction Implemented: Seeing Stars