Teaching

Hattie's updated effect size list of 256 influences across all areas related to student achievement.

1) The document outlines evidence from 700+ meta-analyses on influences on student achievement, identifying teaching strategies and teacher behaviors as having among the largest effects. 2) It finds that the typical effect across all studies is an effect size of 0.40, equivalent to advancing student achievement by approximately 9 months. 3) The document ranks various influences and finds that reducing disruptive behavior, providing feedback, and accelerating gifted students have among the largest positive effects on achievement, while retention, mobility between schools, and television viewing have some of the most negative effects.

Teachers in Highland Park, Michigan, conducted research and began an effective reading instruction program for students who were not succeeding in school. Reciprocal Teaching raised hopes, expectation