A Criticism of John Hattie's Arguments in Visible Learning from the Perspective of a Statistician

How to Engage in Pseudoscience With Real Data: A Criticism of John Hattie's Arguments in Visible Learning from the Perspective of a Statistician
Pierre-Jérôme Bergeron, McGill Journal of Education, 2017/08/21
This post is everything a proper refutation of education pseudoscience should be.It is a mistake to use Hattie's analysis as the basis for educational policy or instructional design, as this paper makes clear. Some context: in 2008 John Hattie published Visible Learning, which is essentially a meta-analysis of some 800 studies related to student achievement. The result was the Hattie Ranking of effect sizes. More...