The Lure of Data: Is It Addictive?: “According to research compiled by David E. Meyer, a psychology professor at the University of Michigan, multitaskers actually hinder their productivity by trying to accomplish two things at once. Mr. Meyer has found that people who switch back and forth between two tasks, like exchanging e-mail and writing a report, may spend 50 percent more time on those tasks than if they work on them separately, completing one before starting the other.”