On average, Pre-Kindergarten students who received developmental instruction achieved significant improvements. They made large (significant) standard score changes on all three measures. Additionally, the 23-point percentile increase in Word Recognition put these students within the normal range (25th–75th percentile). Their pre- to posttest results were statistically significant on all measures.
Results of Pre-Kindergarten Students Who Received Decoding and Comprehension Instruction
Number of Students: 149
Average Age: 5.7
Average Hours of Instruction: 87.0