This is a very simple but notable piece of work....they have done a service to education in providing evidence (and there is remarkably little elsewhere) that continuous professional development does pay off in terms of a better education for pupils in schools′ - School Leadership and Management
Much debate currently concerns the value of education research: how is it perceived by practitioners and students ? How useful and relevant is it ? Who best carries it out ? Can it be free from political influence ? While practitioner research is widely advocated, little is known about its effect on individuals, teams and the institution.