text: The accuracy of the FACS would also have to be put through intense testing to determine how effective it actually is. Prof. Huang says,"A classroom computer could recognize when a student is becoming confused or bored. Then it could modify the lesson, like an effective human instructor." If the system thinks that a student is confused when they actually aren't though, it could hurt their academic growth. It would be changing the material to a lower level in an attempt to interest them, but also at the same time lowering their understanding of the material.