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 OBJECTIVES OF THE STUDY WERE TO--(1) COMPARE EDUCATIONAL GOALS OF RURAL YOUTH AND THEIR PARENTS AND (2) DETERMINE THE RELATIONSHIPS OF THE SIMILARITIES AND DIFFERENCES TO SUCH FACTORS AS GEOGRAPHIC AREA, STATE, SEX, LEVEL OF LIVING, RESIDENCE, FAMILY SIZE, AND CLUB MEMBERSHIP. A SURVEY SAMPLE, SELECTED FROM AN EQUIPARTITIONED UNIVERSE…