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Re:How to Learn Efficiently by plg on Tuesday December 30, 2014 @05:36PM (#8817128)
> Interleaved practice feels much harder (e.g., “you feel confused”), and it feels discouraging because progress appears to be slow. However, this confusion you feel… that is your brain learning.

I'm sorry to be a grouch, but is this based on any scientific evidence or just the OP's opinion?

Re:How to Learn Efficiently by bluusteel on Tuesday December 30, 2014 @06:30PM (#8817360)
"Desirable difficulties" were originally suggested by Robert Bjork, a psychology professor at UCLA. For a short overview, see his website: http://bjorklab.psych.ucla.edu/research.html#idd