By Peter C. Brown, Henry L. Roediger III and Mark A. McDaniel
PEOPLE COMMONLY BELIEVE that if you expose yourself to something enough times — say, a textbook passage or a set of terms from biology class — you can burn it into memory. Not so. Many teachers believe that if they can make learning easier and faster, the learning will be better.Much research turns this belief on its head: When learning is harder, it’s stronger and lasts longer.
