In spite of the lack of visibility of ITS systems in the real world outside the rarified air of university research labs, there is a modest amount of research suggesting that intelligent tutoring systems can achieve remarkable increases in student learning
over traditional classroom instruction.
In fact, a study published in a 2010 issue of the Journal of Experimental Psychology found that a wide variety of material and delivery methods resulted in an 11 percent bump in
efficiency over traditional classroom - based methods.