Tests an educational-effectiveness model by reanalyzing a large-scale dataset containing (Dutch) elementary school data of subsequent student cohorts, their teachers, and their schools. Researchers found some expected positive achievement effects of individual classroom and school factors, but these were unstable across school subjects and student…

Describes a study that evaluated implementation of curriculum materials for secondary social studies in the Netherlands. The evaluation focused on individual teachers' actual use of these materials in their classrooms. A large discrepancy emerged between the curriculum developers' original intentions and the observed instructional processes.…

For too long, researchers and policy makers have considered themselves to be the only experts able to define quality in child care. That children, parents, and teachers have their own expertise in this area is often denied. This article explores the points of view of these three parties and attempts to demonstrate that researchers must be prepared…