Adobe Captivate & eLearning: How Long is Too Long?
The Logical Blog by IconLogic
FEBRUARY 28, 2011
According to Joan Middendorf and Alan Kalish , Indiana University, "Adult learners can keep tuned in to a lecture for no more than 15 to 20 minutes at a time." As the lecture proceeded the attention span became shorter and often fell to three or four minutes towards the end of a standard lecture.
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