Erratum for
Baker, R.S.J.d., Corbett, A.T., Aleven, V. (2008) More Accurate Student Modeling Through Contextual Estimation of Slip and Guess Probabilities in Bayesian Knowledge Tracing. Proceedings of the 9th International Conference on Intelligent Tutoring Systems, 406-415.

In the published version of this article, three formulas had the same minor typo. They are now corrected.

Our apologies for the error.

A corrected version of this article is available online at