Critiques the Napa/Vacaville project for being exceptionally well designed yet being ineffective. The key to effective staff development is to find ways of increasing teachers' ability to accept innovations and incorporate them into their teaching repertoires. (MD)

The evaluator of the Napa/Vacaville project responds with an analysis of student achievement scores and the goals of the project. She points out that the year after the project ended student achievement scores increased again. The positive effects of staff development on student achievement may have needed more time to take effect. (MD)

A California school district used the Hunter teaching model for a study to measure the effect of the model on teachers and students in two schools over a four-year period. Evaluation shows that student achievement and teacher behavior improved during the first three years then dropped during the fourth. (MD)