The authors argue for a reconceptualization of rigor that requires sustained, direct, and systematic documentation of what takes place inside programs to document how students and teachers change and adapt interventions in interactions with each other in relation to their dynamic local contexts. Building on promising new programs at the Institute…

This paper describes the use of educational research and development resources by practitioners within the National Education Association's Mastery in Learning Project (MIL), a 5-year national second wave reform effort. Four research questions were addressed: (1) What are practitioners' information needs over time in the context of research-based…

The paper deals with the contribution of empirical psychology to the problems of instruction and proposes a conceptual framework to promote helpful interactions between experimenters and teachers of children with learning difficulties. Both groups share a common concern, the definition of tasks by testing instructions in action. (Author/DB)