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Visible Learning for Teachers draws on the findings of John Hattie’s ground-breaking meta study Visible Learning (2009). Hattie’s follow up book concentrates on the underlying story behind the data and provides many hands on examples for Visible Learning in the…Read more ›

John Hattie's "Visible Learning handbook for teachers" is an important book. Tough going though! I haven't succeeded yet in reading it from cover to cover.

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John Hattie developed a way of ranking various influences in different meta-analyses according to their effect sizes. In his ground-breaking study "Visible Learning" he ranked those influences which are related to learning outcomes from very positive effects to very negative effects on student achievement. Hattie found that the average effect size of all the interventions he studied was 0.40. ...