Educational research is not having the impact on teaching practice that it could and should be having. In the past fifteen years, a four-tier pattern has emerged, with each tier more complex and revealing than the one before. Earlier researchers focused on description and differentiation in their studies, building a body of knowledge that could be…

A group of 11 experienced junior high school teachers, identified as having problems with classroom management, received materials and workshops based on findings from a large-scale descriptive study of classroom management. Observation data from two classes per teacher were used to assess the level of implementation by treatment group teachers.…