Quote: "What distinguishes intelligent tutors from integrated learning systems or skill-building software is that the tutors sort of both scaffold and support more complex cognitive processes," said Margaret Honey, the director of the New York City-based Center for Children and Technology. "Well-designed tutors are smart enough to know there's not a single way to solve a problem, and that's what makes them 'intelligent.'" No Rivals for Live Tutors

http://www.edweek.org/ew/articles/2007/04/02/31intelligent.h26.html