Whether the goal is to identify and describe trends and variation in populations, create new measures of key phenomena, or describe samples in studies aimed at identifying causal effects, description plays a critical role in the scientific process in general and education research in particular. Descriptive analysis identifies patterns in data to…

Last month several news organizations reported on the emergence of "fusion centers"--vast data clearinghouses, operated by state law-enforcement agencies, that can instantly call up key personal information on anyone: telephone numbers, insurance records, family ties, and much more. Architects of the fusion centers say they are a…

Educational planners and policymakers are rarely able to base their decision-making on sound information and research, according to this book. Because the situation is even more difficult in developing countries, educational policy often is based on research conducted in others parts of the world. This book provides a practical framework that can…

Reviews hierarchical linear models that have been developed to address problems of the measurement of change and the unit of analysis in educational research. Introduces a three-level hierarchical model that should constitute the basic paradigm for future quantitative research on student learning. (Author/BJV)