John Hattie’s What Doesn’t Work In Education, published by Pearson Education, attacks “popular and oft-prescribed remedies,” such as small classes, high standards and more money, reports NPR.
A University of Melbourne professor, Hattie analyzed 1,200 meta-analyses “looking at all types of interventions, ranging from increased parental involvement to ADHD medications to longer school days to performance pay for teachers, as well as other factors affecting education, like socioeconomic status,” to see what makes a significant difference.
Here’s his chart of “visible effect sizes of different interventions and issues related to achievement.”