This action research study explores the Guided Math Approach to improving math scores for first grade students. Previous MAP (Measure of Academic Progress) scores were used to measure proficiency and students were placed in separate categories for appropriate instruction. This study reviewed math achievement scores on MAP test from a First grade…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…