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Online Education - Introducing the Microlecture Format by Thomas Most college students would likely concur - fifty minute lectures can be a bit much. With current research indicating that attention spans (measured in minutes) roughly mirror a students age (measured in years), it begs the question as to the rationale behind lectures of such length. teddY-riseDGiven that it is tough to justify the traditional lecture timeframes, it is no surprise to see online educational programs seeking to offer presentations that feature shorter podcasts. But in an astonishing switch, David Shieh of the Chronicle of Higher Education recently took a look at a community college program that features a microlecture format, presentations varying from one to three minutes in length.