LEE NEWMAN: One innovation of great importance would be the use of technology to facilitate feedback. The research findings are unequivocal: Immediate and specific feedback is among the most critical ingredients in the learning process—and yet this type of feedback is still so rare, even in top educational institutions. The economics of education exerts a quite visible hand on both the number of students per teacher as well as how much teachers are paid. Ultimately, these two economic forces limit both the quantity and quality of feedback that students receive. This needs to change, and technology holds great promise for making this change happen.
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