1. Studying Learning in the Worldwide Classroom Research into edX's First MOOC;Breslow L;Research & Practice in Assessment,2013
2. Deboer J Stump G S Pritchard D E etal Bringing student backgrounds online: MOOC user demographics site usage and online learning 2013 Deboer J Stump G S Pritchard D E et al. Bringing student backgrounds online: MOOC user demographics site usage and online learning 2013