Simply Statistics A statistics blog by Rafa Irizarry, Roger Peng, and Jeff Leek

Early data on knowledge units - atoms of statistical education

Yesterday I posted about atomizing statistical education into knowledge units. You can try out the first knowledge unit here: The early data is in and it is consistent with many of our hypotheses about the future of online education.


  1. Completion rates are high when segments are shorter
  2. You can learn something about statistics in a short amount of time (2 minutes to complete, many people got all questions right)
  3. People will consume educational material on tablets/smartphones more and more.

Screen Shot 2015-02-05 at 9.34.51 AM