Graesser, A., Cai, Z., Wood, J., Hatfield, D., Bagley, E., Nash, P., & Shaffer, D.W. (2010). Comments of Journalism Mentors on News Stories: Classification and Epistemic Status of Mentor Contributions. Paper presented at the Intelligent Tutoring Systems Conference (ITS), Pittsburgh, PA.
http://epistemicgames.org/eg/wp-content/uploads/graesser-automentor-0410141.pdf