I think the Microsoft edx moocs have solved this problem pretty well. They are typically focused on a more narrow topic, they are shorter (usually around a mont

I think the Microsoft edx moocs have solved this problem pretty well. They are typically focused on a more narrow topic, they are shorter (usually around a month), and they are very explicit on the weekly time required and this actually matches. I've used msft edx to learn bootstrap and their azure machine learning platform and they were there best moocs I've ever taken.