Colvin, K. F., Champaign, J., Liu, A., Zhou, Q., Fredericks, C. and Pritchard, D. E. (2014) “Learning in an introductory physics MOOC: All cohorts learn equally, including an on-campus class”, The International Review of Research in Open and Distributed Learning, 15(4). doi: 10.19173/irrodl.v15i4.1902.