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.…

Based on the findings of a recent three-year study by Dominican University's Graduate School of Library and Information Studies, the authors can confirm what many librarians have long suspected: students who take part in their local library's summer reading program significantly improve their reading skills. This article describes the results of…

To date, there has been very little research-based mathematics curriculum for talented elementary students. Yet the gifted education and mathematics literature suggest support for curriculum that is both enriched and accelerated with a focus on developing conceptual understanding and mathematical thinking. Project M[superscript 3]: Mentoring…