@article {4437,
	title = {Animations of thought: Interactivity in the teachable agent paradigm},
	year = {2007},
	pages = {114-140},
	institution = {Cambrige University Press},
	address = {UK},
	author = {D. L. Schwartz and K. P. Blair and G. Biswas and K Leelawong and J. Davis}
}
