Tony Bates’ article is well worth reading, as it questions whether or not high quality online learning can be scaled “…research on credit-based online learning has shown that course delivery (which includes both learner support and student assessment) accounted for the largest overall cost of an online program (37%), almost three times more than course development, over the life of an online program (Bates and Sangra, 2011).”
via Improving productivity in online learning: can we scale ‘the learning that matters most’?.
New Images of Education 