Recognition of students' facial expressions can be used to understand their level of attention. In a traditional classroom setting, teachers guide the classes and continuously monitor and engage the students to evaluate their understanding and progress. Given the current popularity of e-learning environments, it has become important to assess the…

Discussion of computer-assisted mathematics instruction focuses on a study of high school students that examined the instructional effectiveness of computer-managed videodisc instruction for precalculus mathematics. Highlights include a comparison with traditional classroom instruction and theoretical perspectives, including sociocultural theory,…