“In a classroom, when you ask a question, one student answers and the others don’t get a chance,” Mr. Thrun said. “Online, with embedded quizzes, everyone has to try to answer the questions. And if they don’t understand, they can go back and listen over and over until they do.” Just as a child who falls while learning to ride a bike is not told “You get a D,” but is encouraged to keep trying, he said, online classes, where students can work at their own pace, can help students keep practicing until they master the content.
“The goal should be to get everybody to A+ level,” he said