The cover of John Hattie’s Visible Learning boasts the blurb “Reveals teaching’s Holy Grail.” Everybody in education needs to get it. If Hattie’s subtitle, A Synthesis of Over 800 Meta-Analyses ...

In 2015, researcher John Hattie updated his seminal research Visible Learning. Hailed as “teaching’s Holy Grail,” 1 Hattie synthesized 15 years of research on more than 800 meta-analysis about what ...

“Feedback is one of the most powerful influences on learning and achievement, but this impact can be either positive or negative,” report John Hattie and Helen Timperley from the University of ...

Hattie's work is based on his meta-analysis of more than 1,000 research reviews comprising more than 50,000 individual studies--the largest meta-analysis ever conducted in the field of education.

To give teachers a head start on the process of fine-tuning teaching for the next school year, Hattie explained nine common myths about how to improve student achievement. (Next page: 9 common myths ...