Visible Learning: The Sequel: A Synthesis of Over 2,100 Meta-Analyses Relating to Achievement

When the original Visible Learning® was published in 2008, it instantly became a publishing sensation. Interest in the book was unparalleled; it sold out in days and was described by the TES as revealing "teaching’s Holy Grail". Now John Hattie returns to this ground-breaking work. The research underlying this book is now informed by more than 2,100 meta-analyses (more than double that of the original), drawn from more than 130,000 studies, and has involved more than 400 million students fr...