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.…

The purpose of the quantitative research study was to determine if participation in the Health Sciences and Technology Academy (HSTA) led to significant differences in the math and reading/language arts scores on the West Virginia Educational Standards Test 2 (WESTEST 2), between students who participated in the program compared to students who…