@article {540671,
	title = {Staggered Versus All-at-Once Content Release in Massive Open Online Courses: Evaluating a Natural Experiment},
	journal = {Proceedings of the Second (2015) ACM Conference on Learning @ Scale},
	year = {2015},
	pages = {185-194},
	url = {http://dl.acm.org/citation.cfm?id=2724663},
	author = {Mullaney, Thomas and Justin Reich}
}
