How schools and districts approach professional development is driven by implicit and explicit personal beliefs or theories. This article describes four factors that determine the success or failure of staff development efforts for teachers: teacher motivation; teacher knowledge and how teachers can add to it; how the context of teacher work…

An evaluation mosaic brings together different methods and forms to present an overall picture of the impact this professional learning experience had on teachers' practices and on student achievement. Using this framework, professional developers were able to determine whether they were getting the results they wanted--and they did.