John Hattie's research reveals the influences that have an impact on learning. Dr. Michael Hebert has said that an effect size of .20 has him dancing in the streets, an effect size of .40 has him dancing on the Empire State Building, and an effect size of .70 or higher has him dancing on the moon. To see the listing of the most impactful influences to the least impactful, click above. To see a listing by categories click HERE.