You’re Distracted. This Professor Can Help. – Technology – The Chronicle of Higher Education:
All content in long-term memory is represented in two ways: "as a sense of familiarity on the one hand, and whether or not you truly understand it." People often mistake familiarity for understanding. They open the textbook after getting home from a lecture, and they recognize the material. They think: I get this. Then they take a test—and bomb it.