Intelligent tutors have become increasingly accurate at detecting whether a student knows a skill, or knowledge component (KC), at a given time. However, current student models do not tell us exactly at which point a KC is learned. In this paper, we present a machine-learned model that assesses the probability that a student learned a KC at a…

Analysis of 366 surveys completed by Pennsylvania teachers with educational responsibility for students using assistive technology found teachers were informed and experienced in the use of computers and assistive technology, issues of equipment complexity were seen as barriers to assistive technology utilization, and training and maintenance were…

The "ISSS Annual Conference Proceedings" is a peer-reviewed professional publication published once a year following the annual conference. (Individual papers contain references.) [For the 2009 proceedings, see ED504973.]