http://1.gravatar.com/avatar/73153d11f08640dbaa0970d105c18af3?s=23&d=identicon&r=GBy Mark Guzdial. I’m completely open to the idea that completion rates are the wrong measures of success for MOOCs.  But I do believe that we need some measure.  What would success for MOOCs mean?  How do we know if it’s being achieved?  Or if it’s a waste of time and money? More...