Understanding Communication Patterns in MOOCs: Combining Data Mining and   qualitative methods
  Massive Open Online Courses (MOOCs) offer unprecedented opportunities to learn at scale. Within a few years, the phenomenon of crowd-based learning has gained enormous popularity with millions of learners across the globe participating in courses ranging from Popular Music to Astrophysics. They have captured the imaginations of many, attracting significant media attention - with The New York Times naming 2012 "The Year of the MOOC." For those engaged in learning analytics and educational data mining, MOOCs have provided an exciting opportunity to develop innovative methodologies that harness big data in education. 
Rebecca Eynon and Isis Hjorth and Taha Yasseri and Nabeel Gillani
cs.CY cs.SI physics.data-an physics.soc-ph