Visible Learning: Feedback brings together two internationally known educators, combining Hattie’s world famous research expertise with Clarke’s vast experience of classroom practice and application. Areas covered include the variability of feedback, student to teacher feedback, the power of peer feedback and the power of within-lesson feedback.

On publication in 2009 John Hattie's Visible Learning presented the biggest ever collection of research into what actually work in schools to improve children's learning. Not what was fashionable, not what political and educational vested interests wanted to champion, but what actually produced the best results in terms of improving learning and educational outcomes. It became an instant bestseller and was described by the TES as revealing education's 'holy grail'.

Now in this latest book, Jo...