One of the links goes to a chart from the study author that ranks interventions by estimated effect size: http://visible-learning.org/hattie-ranking-influences-

One of the links goes to a chart from the study author that ranks interventions by estimated effect size: http://visible-learning.org/hattie-ranking-influences-effect-sizes-learning-achievement/ http://visible-learning.org/hattie-ranking-influences-effect... There's a definition of some of the terms here: http://visible-learning.org/glossary/ http://visible-learning.org/glossary/