“The research commissioned from Hay/McBer by the DfEE was designed to provide a framework describing effective teaching. Its purpose was to help take forward the proposals in the Green Paper Teachers: meeting the challenge of change. We set out to create a vivid description of teacher effectiveness, based on evidence of what effective teachers do in practice at different ...

Previous findings from experimental and non-experimental studies have demonstrated that teachers differ in their effectiveness. In addition, evidence from non-experimental studies has indicated that teacher effects can last up to five years. This study used high-quality data from a four-year randomized experiment in which teachers and students were randomly assigned to classes ...