Understand what a randomised controlled trial is, why it can establish cause and find out 'what works' Learn to design robust trials, analyse the results and write them up Know how to integrate these approaches into school improvement and other research methods at individual classroom and school level This book will be of interest to anyone who is involved in school-level practitioner research, or who wishes to develop their skills in this area. It will also be of interest to teachers who are beginning university education qualifications.