Language classes can be taught because virtual classes employ auditory communication. Many other classes are possible because the virtual classroom allows the teacher to show the class a program in operation. The classes follow standard syllabi, use standard textbooks and are taught by certified teachers. The classes cover the material in each course. So they are rigorous, as opposed to being watered down, with respect to what is expected to be covered in each course.
Difficulty is another issue.
The level of difficulty comes from two aspect of each individual course. First is the course itself. The advanced courses are contain a greater amount of high level material and are sometimes considered more difficult. The second, is the level of preparation and amount of study on the part of the student. Back to Top A number of additional questions must be carefully considered when using information technologies.