As Hattie explains, the variability amongst teachers is dramatic in the education system. Some teachers who do certain things have powerful effects on students’ achievement, but half of teachers are not doing those things, so they are not getting the above-average effects. Using evidence, however...
As an AI language model, I don't have a personal opinion, but I can describe the book "Visible Learning: The Sequel: A Synthesis of Over 2,100 Meta-Analyses Relating to Achievement," which is written by John Hattie and Gregory Yates。 The book is a follow-up to Hattie's previous boo...