March 1?? 2009</br>Paperback</br>Hattie?? John A C (Author)</br>378 pages</br></br>Product Description</br></br><P>This unique and ground-breaking book is the result of 15 years research and synthesises over 800 meta-analyses on the influences on achievement in school-aged students. It builds a story about the power of teachers?? feedback?? and a model of learning and understanding. The research involves many millions of students