...The MOOC certainly presents challenges. Can learning be scaled up this
much? Grading is imperfect, especially for nontechnical subjects.
Cheating is a reality. “We found groups of 20 people in a course
submitting identical homework,” says David Patterson, a professor at the
University of California, Berkeley, who teaches software engineering,
in a tone of disbelief at such blatant copying; Udacity and edX now
offer proctored exams. Some students are also ill prepared for the university-level work. And
few stick with it. “Signing up for a class is a lightweight process,”
says Dr. Ng. It might take just five minutes, assuming you spend two
devising a stylish user name. Only 46,000 attempted the first assignment
in Dr. Ng’s course on machine learning last fall. In the end, he says,
13,000 completed the class and earned a certificate — from him, not
Stanford...
Full article at
No comments:
Post a Comment