Convert ILT to eLearning - Estimating
Tony Karrer
OCTOBER 14, 2009
There's been a lot of research on this, and answers vary anywhere from 20% to 80% of the original length, but there's general agreement that an average compression ratio is typically about 50% , or a four hour course in the classroom should take the student 2 hours to complete online. Brandon Hall reports it is a 2:1 ratio.
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