http://chronicle.com/img/photos/biz/wiredcampus-45.pngBy Lawrence Biemiller. Preliminary results of a study of 16 massive open online courses offered through the University of Pennsylvania show that only a small percentage of people who start the courses finish them—and that, on average, only half of those who register for the courses even watch the first lecture. The study, conducted by the university’s Graduate School of Education, is reviewing data from about a million users of the courses, which Penn offered on the Coursera platform, from June 2012 to June 2013. More...