Hattie's Index Of Teaching & Learning Strategies | Eclectic Technology | Scoop.it

Quoting from the post:

Statistically speaking, the strength of the relationship between two variables. John Hattie, Professor of Education and Director of the Melbourne Education Research Institute at the University of Melbourne, Australia, says ‘effect sizes’ are the best way of answering the question ‘what has the greatest influence on student learning?’