... subset-majority class (uncertain) results in an accuracy of 65.19%. For subset B,thedecisiontreeaccuracy is 69.01%, while assigning the subset-majority class(certain) results in an accuracy of 53.52%. Thus, ... “Respondingto student uncertainty during computer tutoring: an exper-imental evaluation,” in Proceedings of the 9th InternationalConference on Intelligent Tutoring Systems (ITS ’08), pp. 6 0–6 9,Montreal, ... is crucial in achieving this performance bycomparing to a substantive nonprosodic baseline. In some applications, for instance, language learning andother tutorial systems, we have information...