@inproceedings{81bfaf0a63fb4669b61e025554704493,
title = "Feedback in computer-assisted instructions : complexity and corrective efficiency",
author = "G.W.G. Spaai",
year = "1995",
language = "English",
isbn = "3-540-58834-5",
series = "NATO ASI Series, Series F: Computer and Systems Sciences",
publisher = "Springer",
pages = "167--178",
editor = "R.J. Beun and M. Baker and M. Reiner",
booktitle = "Dialogue and instruction : modeling interaction in intelligent tutoring systems",
note = "NATO advanced research workshop on natural dialogue and interactive student modeling ; Conference date: 17-10-1992 Through 20-10-1992",
}